QUESTION 21 Oak Corp. has a selling price of $15, fixed costs of $27,000, and contribution margin of $34,500. 1 Oak sels 11,500 units, how much are variable costs per unit? O a $5.00 b. $3.00 c. $12 O d. $1.80 QUESTION 22 Wave Inc. has a variable cost ratio of 57% and fixed costs of $89,010. What sales revenue is needed to generate a $135,450 profit? O a $522,000 O b. $207,000 O c. $372,857 Od. $127.157