TC=500+2Q+0.001Q2
=>MC=2+0.002Q 此時MC=MR=P=5
=>Q*=1500
PXQ=TC
=>5*1500=500+2*1500+0.001*(1500)^2
=>7500 =500+3000+2250
=>1750
16.假設完全競爭廠商的短期成本函數為 TC=500+2Q+0.001Q2,當廠..-阿摩線上測驗