Choosing between compensation plans, operating leverage. $($CMA$,$ adapted$)[$Excel template$]($LO $4)$ Marston Corporation manufactures pharmaceutical products that are sold through a network of sales agents. The agents are paid a commission of $18\%$ of sales. The statement of income for the year ending December $31,2022,$ under two scenarios, is as follows: BackThe data listed are as follows. Category Using Sales Agents Using Sales Agents Using Own Sales Force Using Own Sales Force Sales Blank $$26,000,000$ Blank $$26,000,000$ Cost of goods sold Blank Blank Blank Blank Variable $$11,700,000$ Blank $$11,700,000$ Blank Fixed $2,870,00014,570,0002,870,00014,570,000$ Gross margin Blank $11,430,000$ Blank $11,430,000$ Marketing costs Blank Blank Blank Blank Commissions $4,680,000$ Blank $2,600,000$ Blank Fixed costs $3,420,0008,100,0005,500,0008,100,000$ Operating income Blank $ $3,330,000$ Blank $ $3,330,000$ Back$90$Marston is considering hiring its own sales staff to replace the network of agents. Marston will pay its salespeople a commission of $10\%$ and incur additional fixed costs of $$2,080,000.$Required Calculate Marston Corporation$$s $2022$ contribution margin percentage, breakeven revenues, and degree of operating leverage under each of the two scenarios. $($You will first have to recast the $2022$ statement of income assuming Marston had hired its own sales staff.$)$Describe the advantages and disadvantages of each type of sales alternative.In $2023,$ Marston uses its own salespeople, who demand a $15\%$ commission. If all other cost$-$behaviour patterns are unchanged, how much revenue must the salespeople generate in order to earn the same operating income as in $2022?$ Check Figure: $1.$ CM$\%$ using own sales agents, $37\%$ CM$\%$ using own sales force, $45\%$