ETC question.

A project was estimated to cost $ 200,000 with a timeline of 10 months. Due to a shipment delay, the schedule was slightly delayed. This was however made up by receiving the first batch of materials for the project by air. The net result was that there was some additional cost in the project. At the end of the second month, the Project Manager reviews the project and finds that the project is 20% complete and Actual Costs are $ 50,000. The Estimate to complete (ETC) for the project would now be:
$160,000
$210,000
$250,000
$200,000

Can you please help me arrive at the correct answer. I already know what the correct answer is but I want to know how its done.

admin's picture

There are many ways to do this, its a simple question

20% completion means PV was $40K, AC is $50K,
Cost Variance is $10K

Since no other variables are there. New cost should be $210K

This question is from scordo exams

the formula they have used is BAC - EV (as opposed to the one given in PMBOK that is EAC-AC). can you please let me why? Below is the sol

The Budget at completion (BAC) = $ 200,000 (given). The Actual Cost (AC) = $ 50,000 (given). The Earned value (EV) = ( 2 /10 ) * 200,000 since 20% of the project is complete i.e. 2 months out of 10. Hence, Earned Value (EV) = $ 40,000. This is an instance of an atypical situation in the project. ETC = BAC - EV = $200,000 - $40,000 = $160,000

@JP,

That is print mistake.

The Present Value formula is 2/12 * 200,000 = 40,000

Did you observe calculating EV is not the 2/10 *200,000 formula.

The actual EV formula = Actual % of work completed * 200,000= 40,000

By luckily both the equations get same answer that is why the publisher
did't get a chance to figure it out.

EAC = AC+(BAC-EV) = 50,000+200,000 -40,000 = 210,000

Any we know the formula of ETC = EAC-AC for atypical one.
ETC = 210,000-50,000 = 160,000

Thanks,
Lax

We know the formula EAC= AC+(BAC-EV)

ETC=EAC-AC substitute the EAC formula in EAc

THEN ETC = AC+(BAC-EV)-AC
ETC= AC+BAC-EV-AC here AC nullifies
ETC= BAC-EV

Hey thanks a lot for your detailed post.
I cant find your mail id in your profile can you IM me.