Given the information in the table below, fill in the marginal cost (MC) and average total cost (ATC) columns

Some equations

profit=TR-TC AVC=VC/Q

TR=P*Q ATC=TC/Q

TC=FC+VC MR=change in TR/change in Q

PV=M/i MC=change in TC/change in Q

PV=M/(1+i)^t

Q VC($) FC($) MC($) ATC($)

0 0 900

50 50 900

120 100 900

160 150 900

180 200 900