Dustin, a florist, buys and sells flowers at her store. She purchases roses at $1.75 each, has operating expenses of 27% on cost, and has profits of 45% on cost. Calculate the following. a. Desired profit per rose: Round to the nearest cent b. Amount of markup: Round to the nearest cent b. Amount of markup: Round to the nearest cent c. Selling prie: Round to the nearest cent d. Rate of markup on selling price: % Round to two decimal places