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January 30, 2015

January 30, 2015

Posted by **BJ** on Saturday, December 19, 2009 at 10:07pm.

A. Suppose the station plans to give away the videos. How many DVDs should it order? From which supplier?

B. Suppose instead that the station seeks to maximize its profit from sales of DVDS. What price should be charged? How many DVD should it order from which supplier? Solve two separate problems, one with supplier A and one with supplier B, and then compare profits.

In each case apply the MR = MC rule.

I cannot get this set up to work the problem can you help me?

- Managerial Economics -
**bobpursley**, Sunday, December 20, 2009 at 6:55ama: if price is zero, then q=1600

how many to order is q.

then, cost to order from A is 1200+3200=4400

cost to order from b=4*1600=5200

order from A.

B: R=PQ-cost

dR/dq=dP/dq q + P- dCost/dq

now, for supplier A

dcost/dq=2

dR/dq=0=-1/200 q + 800-q/200 -2

q(1/100)=798

q= 79800

For supplier B

dR/dq=0=-q/200 +800-q/200 -4

q=79600

check that, it is late at night.

- Managerial Economics -
**BJ**, Sunday, December 20, 2009 at 10:45amThanks, bobpursely

Yes the B: R=PQ-cost is what I was missing at first, but after plugging it in and checking, it's correct. Thanks

You do great work when it's late!

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