A distributor purchases industrial fans for $150 each. Its profit is 11.00% on selling price and markup is 35.00% on selling price. During a trade show, if the distributor offers a markdown of 8.50% on its fans, calculate the reduced profit or loss made per fan.

Rebecca purchased dress shirts to sell in his clothing store that has overhead expenses equal to 14.00% of costs. To make a profit of 15.00% of the cost, he sells them at a regular price of $70.00 each.

a. What rate of markdown is required to sell the shirts at break-even?

b. What rate of markdown is required to sell the shirts at cost?