Straker Industries Estimated Its Short-Run Costs Using a U-Shaped Average $A V C = a + b Q + c Q ^ { 2 }$

Multiple Choice

Straker Industries estimated its short-run costs using a U-shaped average variable cost function of the form $A V C = a + b Q + c Q ^ { 2 }$ and obtained the following results.Total fixed cost (TFC) at Straker Industries is $1,000. If Straker Industries produces 20 units of output,what is estimated short-run marginal cost (SMC) ?

A) $171.40
B) $463.20
C) $1,348
D) $2,348