Jesse, a dentist, buys and sells specialized toothpaste in her office. She purchases the toothpaste at $1.50 per box, has operating expenses of 25% on cost, and has profits of 80% on cost. Calculate the following. a. Desired profit per unit: $1.20 Round to the nearest cent b. Amount of markup: $1.58 Round to the nearest cent c. Selling price: $4.20 Round to the nearest cent d. Rate of markup on selling price: 34.35 % Round to two decimal places