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Cost management

Cost management is the structured approach to estimating, budgeting, funding, monitoring, and controlling project costs so work is delivered within the approved budget. It supports informed decisions about trade-offs and financial transparency across the project life cycle.

Key Points

  • Cost management aligns with scope and schedule to create a time-phased cost baseline for control.
  • Estimation uses methods like analogous, parametric, bottom-up, and three-point to balance speed and accuracy.
  • Reserves are planned and visible: contingency for identified risks and management reserve for unforeseen events.
  • Performance is tracked with measures such as PV, EV, AC and indicators like CPI and SPI to assess variance.
  • Forecasts such as EAC and ETC guide corrective actions and funding decisions.
  • Changes to the cost baseline go through integrated change control with clear impacts on scope and schedule.

Purpose of Analysis

  • Establish a realistic budget and funding profile that supports delivery objectives.
  • Quantify cost risk and set appropriate reserves to protect the baseline.
  • Identify cost drivers and trade-offs to optimize scope, schedule, and resources.
  • Detect variances early and forecast outcomes to enable timely corrective actions.
  • Provide transparent, decision-ready information for sponsors and stakeholders.

Method Steps

  • Define cost structure: set cost categories, coding, and WBS-based aggregation rules.
  • Estimate costs: select techniques (analogous, parametric, bottom-up, three-point) and quantify assumptions.
  • Incorporate risks: translate key risks into cost impacts and set contingency and management reserve policies.
  • Build the budget: time-phase estimates to the schedule to form the cost baseline and funding requirements.
  • Plan control: choose metrics, thresholds, reporting cadence, and EVM rules of credit.
  • Monitor and control: track actuals, analyze variances, update forecasts (EAC/ETC), and propose changes when needed.

Inputs Needed

  • Scope baseline, WBS, and acceptance criteria.
  • Schedule, resource plan, and resource rates or labor calendars.
  • Risk register with cost-related risks and response strategies.
  • Historical data, benchmarks, and organizational estimating policies.
  • Vendor quotes, contract terms, and procurement strategy.
  • Financial constraints, funding limits, and accounting rules.

Outputs Produced

  • Cost management plan with estimation, budgeting, and control approaches.
  • Time-phased cost baseline and overall project budget.
  • Funding requirements and cash flow profile.
  • Defined reserves: contingency and management reserve policies.
  • Performance reports, variance analyses, and EAC/ETC forecasts.
  • Change requests and recommendations for corrective or preventive actions.

Interpretation Tips

  • Look at CPI and SPI together; cost and schedule issues often share root causes.
  • Check burn rate and cash flow timing to avoid funding shortfalls even when within budget.
  • Validate variances against thresholds before escalating; investigate causes before prescribing fixes.
  • Use ranges and confidence levels; avoid false precision in early estimates.
  • Translate technical variances into business impact to support decision-making.

Example

A project has a time-phased baseline of 1.2M over 12 months. At month 6, EV is 480k, AC is 600k, and PV is 540k. CPI = 0.80 and SPI = 0.89 indicate cost overrun and delay.

  • The team reviews cost drivers: overtime, rework, and a vendor price increase.
  • They update EAC using a CPI-based forecast and model alternative scenarios with corrective actions.
  • A change request is raised to implement process improvements and re-negotiate the vendor contract, with an updated forecast and risk-adjusted reserve.

Pitfalls

  • Ignoring risk in estimates, leading to inadequate contingency reserves.
  • Rebaselining without cause analysis, masking performance issues.
  • Focusing on total budget but neglecting cash flow and funding constraints.
  • Overreliance on a single estimating method or outdated rates.
  • Poor rules of credit, causing misleading EVM metrics.
  • Weak integration with change control and procurement, creating hidden cost creep.

PMP Example Question

Midway through a project, EV = 400k, AC = 500k, and PV = 450k. What should the project manager do next?

  1. Request additional funding from the sponsor to cover the overrun.
  2. Perform variance analysis, update EAC/ETC forecasts, and recommend corrective actions.
  3. Rebaseline the project immediately to reflect current performance.
  4. Crash the schedule to recover the CPI and SPI.

Correct Answer: B — Perform variance analysis, update EAC/ETC forecasts, and recommend corrective actions.

Explanation: CPI and SPI are below 1, indicating cost and schedule issues. The appropriate next step is to analyze root causes, forecast outcomes, and propose actions through change control before seeking more funds or rebaselining.

AI Systems with Claude, for Scrum Masters and Project Managers

Most AI pilots in project management do not fail on the model. They fail because somebody pointed the thing at a decision instead of at a task. This course is built around that distinction, and around the work that follows once you get it right.

Seven sections, taught against one running project from the first lecture to the last. You watch a system get built, then you build the same one against your own sprint. Nothing here is a demo that works only on the example.

You finish with five working systems and you keep them. The sprint report machine turns your board export and standup notes into the report you currently write by hand. The retro intelligence system tells you what the team keeps saying, not just what it said this time. The stakeholder comms engine drafts the update in the register the audience expects. The backlog health monitor flags the quiet decay nobody has time to check for. The risk and dependency tracker follows the chains that actually bite.

Seventy-six working files ship with it, across four sections, so every system is built against real sprint data rather than material invented for a slide. Four sprints of retrospectives, board exports, standup notes, backlog and risk data.

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