QUESTION 12 12. Last year, Tamco Corporation had revenues of $120,000 and expenses of $70,000. If Tamco had $500,000 of operating assets last year, what was Tamco's turnover? a. 48 QUESTION 13 13. SPARK, Inc. has a margin of 3.5 percent and a turnover of 4. What is SPARK's return on investment? a. 10 percent b. 14 percent c. 88 percent d. 7.5 percent