Calculate the missing information. Round dollars to the nearest cent and percents to the nearest tenth of a percent. Percent Markup Item Cost Amount of Markup (in $) Selling Price Based on Selling Price Textbook $31.11 $ $52.50 % Need Help? Read It Show My Work (Optional) DETAILS BRECMBC9 8.111.004. Calculate the missing information. Round dollars to the nearest cent and percents to the nearest tenth of a percent. Item Original Selling Price Amount of Markdown (in $) Sale Price (in $) Markdown. Percent CD Player $262.95 $ 30%