usit costribation marje. Compute break-euen point, contribution marpin ratio, matgin of safety, and sales for tarpet net income. (L. 4. 5) Mabo Company makes calculators that sell for $20 each, For the coming year, managemsat expects fixed costs to total $2a0,000 and uait variable corts to be $9 per unit, Instractions a. Conpute the beak evea point in sales units using the mathematioal aquation. b. Compute the break-evea poot in sales dollers asing the contribation margin (CMC) ratio. c. Compate the margin of safety ratio asnuming actual rales are 8500,000 . d. Compate the sales required in dollen to earn net iscoane of $16 j, ope