I know the answers and how it works,

but in this part (27.15 * 1.14375) -1.20 = 29.85

I can't figure out how can I get 1.14375?

please explain about the 1.14375.

15. You purchased Rialto Corp a year ago at $27.15. The company paid a dividend of S1.20, and based on today's selling price, your return on the investment was 14.375%. The price you received for selling the stock is closest to: A) S31.05 B) S29.85 (27.15 1.14375) -1.20 29.85 C) S28.35