The Cook's Paradise buys a kitchen knife set for $170 each less a 20% discount. Expenses are 19% of cost and the profit is 16% of cost. a. What is the cost? b. What is the amount of the expenses? c. What is the amount of profit? d. What is the selling price? Round all answers entered below to two decimal places (if necessary). a. Cost =$ b. Expenses =$ c. Profit =$ d. Selling Price =$