From the course: Learning Gantt Charts

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Forecasting solution

Forecasting solution

From the course: Learning Gantt Charts

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Forecasting solution

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- You're back. I wonder what answers you came up with for the cost and the time. Well, here's the answer explained. Let's do the money first. Now the Optimist is going to say, "A and B should have cost 100, "but we've spent 150 on them. "We're over by 50, but assuming we get back onto plan, "we'll spend another 260 on C and D, "ending up with a total cost of 410." That's the Optimist back onto plan. The Pessimist will say, "We've been spending "at a rate of one and a half times the plan." By the way, this is sometimes known as the cost performance index, or CPI, and it is 1.5. So 1.5 times 360 means that overall we're going to spend 540. So, that's the Pessimist view, carrying on as badly as we have been in the first half. Now let's look at the time. It's the same calculation, really. The Optimist says, "A and B should have taken 11, "but we've taken 16, we're late by five. "But assuming we get back onto plan,…

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