Question 4 of 5 A distributor sells water cooling units for $820 each. The operating profit is 20% on cost and markup is 55% on cost. a. Calculate the cost per cooling unit. $0.00 Round to the nearest cent b. Calculate the rate of markdown offered during a sale if it made a profit of $46.80 mehi Question 4 of 5 b. Calculate the rate of markdown offered during a sale if it made a profit of $46.80 per machine. 0.00 % Round to two decimal places c. What should be the rate of markdown offered to sell the machines at the cost price? 0.00 % Round to two decimal places