Help on 14-16 with explanation please

Use the graph below to answer questions 14-15 S MC ATC 12 11 AVC 4 5 6 7 89 12 14. At what price will the firm earn 0 profits? A. $3 B . $4 C. $6 ma $7 $8 15. If the price is equal to $8 then the firm's total cost will be about A. $ 0 B . $ 8 C . $ 42 D. $ 63 E . $ 96 16. Firms face certain types of costs that increase as output increases and other types of costs that are independent of output. These two costs respectively are fixed and variable variable and fixed fixed and total flexible and variable marginal and total