calculate AFC AVC TFC TVC MC AC from :
Output- 0 1 2 3 4 5 6
TC - 150 300 420 600 790 1000 1260
AC =-300 210 200 197.5 200 210
TFC = 150 150 150 150 150 150 150
TVC = 0 150 270 450 640 850 1110
AFC = - 150 75 50 37.5 30 25
AVC = 0 150 135 150 160 170 185
MC = - 150 120 180 190 210 260