a. What is last year's marginb. What is last year's turnoverC. What is last year's ROId. What is last years RIe. What is the ROl related to this year's investment opportunityf. What is the RI related to this year's investment opportunityTRY TO POST IT IN DOCX FILE

Westerville Company reported the following results from last year's operations. Sales $1,800,000 Variable expenses 435,000 Contribution margin 1,365,000 Fixed expenses 1,005,000 Net operating income $ 360,000 Average operating assets $ 1,200,000 This year, the company has a $300,000 investment opportunity with the following cost and revenue characteristics: Sales $360,000 Contribution margin ratio 70% of sales Fixed expenses $ 216,000 The company's minimum required rate of return Is 10%