12. If sales are $425,000, variable costs are 65% of sales, and operating income is $50,000, what is the contribution margin ratio? a. 37% b. 26.8% C. 35% d. 63% 13. Department R had 5,000 units in work in process that were 75% completed as to labor and overhead at the beginning of the period, 30,000 units of direct materials were added during the period, 32,000 units were completed during the period, and 3,000 units were 30% completed as to labor and overhead at the end of the period. All materials are added at the beginning of the process. The first-in, first-out method is used to cost inventories. The number of equivalent units of production for conversion costs for the period was: a. 32,450 b. 29,450 C. 31,950 d. 29,150 14. Wright Corporation began its operations on September 1 of the current year. Budgeted sales for the first three months of business are $240,000, $300,000, and $420,000, respectively, for September, October, and November. The company expects to sell 20% of its merchandise for cash. Of sales on account, 60% are expected to be collected in the month of the sale, 25% in the month following the sale, and the remainder in the following month. The cash collections in September from accounts receivable are: a. $240,000 b. $115,200 c. $192,000 d. $168,000