Question 6 of 9 Standard Appliances obtains refrigerators for $1,570 less 28% and 5%. Standard's overhead is 16% of the selling price of $1,615. A scratched demonstrator unit from their floor display was cleared out for $1,235. a. What is the regular rate of markup on cost? 0.00% Round to two decimal places b. What is the rate of markdown on the demonstrator unit? 0.00 % Round to two decimal places c. What is the operating profit or loss on the demostrator unit? 50.00 Round to the nearest cent