gross profit questions. please explain steps used.

19. Using the information below, calculate gross profit for the period: a. $774,000. b. $769,000 C. $530,000. d. $535,000 e. $448,000. 20. Factor Co. can produce a unit of product for the following costs: An outside supplier offers to provide Factor with all the units it needs at $46 per unit. If Factor buys from the supplier, the company will still incur 60% of its overhead. Factor should choose to: a. Buy since the relevant cost to make it is $56. b. Make since the relevant cost to make it is $48 C. Buy since the relevant cost to make it is $48. d. Make since the relevant cost to make it is $32