please answer all 3 multiple choice questions

Identify a true statement about cost-based pricing. a. The markup percentage used in cost-based pricing includes only the desired profit. O b. Cost-based pricing is used only by manufacturing and trading companies. c. Cost-based pricing requires an approximate estimate of the cost for pricing a product. d. An appropriate markup percentage is always required in cost-based pricing. When managers consider a product mix, O a. they must choose the alternative that minimizes sales dollars O b. they must choose the alternative that maximizes total contribution margin Oc. they must choose the alternative that minimizes fixed cost per unit Od. they must choose the alternative that maximizes variable cost per unit Adams Company makes 140,000 units per year of a part used in its ice cream machine. An outside supplier offered to sell it to Adams for $97.00. Currently, Adams has the following costs to manufacture Direct materials Direct labor Variable overhead Fixed overhead Total costs 315.10 38 50 2.50 14.20 5110 30 the partis purchased from outside How much of the unit product cost of $110.30 If the offer is accepted, all direct labor cost would be avoided. However $16.00 of fixed overhead will continue even relevant for decision making? a $110.30 b. $76,10 c. $93.40 d. $58.20