Use the information in the table below to answer questions 29 and 30 r50 5000 1 20 6400 200 8400 25 0 91 00 What is the average and marginal costs respectively when production increased from 120 to 200 units? 0 a. 42,10 0 b. 25,10 0 c. 25, 42 42, 25 Time left 1:28:39 If the total variable costs (TVC) moved from $2000 to $3400 when production increased from 50 to 120 units, what is the related change in average fixed costs (AFC)? O a. 35 O b. 25 O c. 41 0d. 60