Melanie purchases office furniture from a wholesaler listed at $800, less discounts of 15% and 6%. She has overhead expenses of 16% of the cost and wants to have an operating profit of 45% of the cost.

a. Calculate the regular selling price of the office furniture.

b. After listing the furniture for one month, she marked it down by 18%. Calculate the profit or loss that she made at the reduced selling price.

c. What is the maximum rate of markdown that she can offer so that she breaks even on the sale?