Required information Problem 5-68 (LO 5-2) (Algo) [The following information applies to the questions displayed below.] Nikki works for the Shine Company, a retailer of upscale jewelry. How much taxable income does Nikki recognize under the following scenarios? (Round your answers to 2 decimal places. Leave no answer blank. Enter zero if applicable.) Problem 5-68 Part-a (Algo) a. Nikki buys a diamond ring from Shine Company for $15,400 (normal sales price, $20,020; Shine Company's gross profit percentage is 40 percent). Taxable income Problem 5-68 Part-b (Algo) b. Nikki receives a 31 percent discount on jewelry restoration services offered by Shine Company. This year, Nikki had Shine Company repair a set of antique earrings (normal repair cost $715; discounted price $493.35). Taxable income