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.) a. Nikki buys a diamond ring from Shine Company for $13,900 (normal sales price, $17,920; Shine Company's gross profit percentage is 40 percent). Taxable income 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.) b. Nikki receives a 26 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 $670; discounted price $495.80). Taxable income