If correct will rate must show work please need #9 and #10

Use the following information to answer the next 2 questions Riverside Industries has three product lines, A, B, and C. The following information is available Sales Variable costs Contribution margin Fixed costs: Avoidable Unavoidable Operating income $100,000 76,000 $24,000 $90,000 $44.000 35,000 $9,000 $42,000 9,000 6,000 $9,000 18.000 9,000 $15.000 3,000 7,700 $(1,700) Riverside Industries is thinking of dropping product line C because it is reporting a loss. Assuming Riverside drops line C and does not replace it, the operating income will 9. a. increase by $2,400 b. increase by $600 decrease by $6,000 d. decrease by $9,000 10. Riverside's sales team has determined that if product line A were discontinued, unit sales for product lines B and C would each increase by 15%. Under this scenario, what is the impact on Riverside's operating incom@if product A is discontinued? a. b. c. d. Decrease of $7,350 Increase of $7,650 Increase of $13.400 Decrease of $4,650