At the start of 20x9, all of the inventory accounts at Rush Manufacturing had a zero account balance. At the end of 20x9, the cost of goods sold totaled $ 55690. The finished goods inventory account had a balance of $22389. The sum of all the credit entries to the work-in process account will be what amount? Select one: O a. $ 78079 O b. $ 22389 O c. 33301 O d. 55690 Check