Calculate contribution margin and prepare incremental analysis for decision whether to eliminate divisions. P11.40A (LO 6) Ribeiro Manufacturing Company has four operating divisions. During the first quarter of 2022, the company reported aggregate income from operations of \$145 the following divisional results: cost or goods soid Selling and administrative expenses Discontinuance of any division would save 50% of the fixed costs and expenses for that division. Top management is very concerned about the unprofitable divisions (III and IV). The consensus is that the company should discontinue one or both of these divisions. Instructions a. Calculate the contribution margin for divisions III and IV. b. Prepare an incremental analysis for the possible discontinuance of (1) division III and (2) division IV. What course of action do you recommend for each division? b. (5) $22,000 c. Prepare a condensed income statement in columns for Ribeiro Manufacturing, assuming division IV is eliminated. Use the CVP format. Division IV's unavoidable fixed costs and expenses are allocated equally to the continuing divisions. c. $167,000 d. Reconcile the total income from operations of $145,000 with the total income from operations without division IV