... 20 30 40 50 60 70 80 TC 150 0 250 0 3400 4300 51 00 6100 7300 8600 FC= TC 150 0 150 0 150 0 150 0 150 0 150 0 150 0 10100 11900 139 00 150 0 150 0 150 0 VC= TCFC 1000 1900 2800 3600 4600 58 00 7100 850 0 AVC ... AFC=FC/Q=169/Q AVC=VC/Q=Q+1 ATC=TC/Q=AVC+AFC=Q+1+169/Q MC=TC=2Q+1 P =55 , tớnh MAX? =TR-TC;TR=P.Q;P =55 ;P=MC= >55 =Q+1=>Q =54 TC=Q2+Q+169 =54 .54 +54 +169= =TR-TC=>MAX= BT: CTHH tip X P v Q hũa MC=ATC=>2Q+1=Q+1+169/Q=>Q0 ... 100 95 93,3 90 92 96,7 101,4 106,3 1 15, 6 124 AFC FC/Q 150 75 50 37 ,5 30 25 21,4 ATC= TC/Q 250 170 143,3 127 ,5 122 121,7 122,9 126,2 132,2 139 MC= VC/ Q 100 90 90 120 80 100 130 90 1040 18, 75 16,7...