B) Calculate the Average Mark-up: A buyer was projecting a new line of shirts for a retail outlet. Each outlet would get 5 of the shirts, with the following schedule planned: The cost per unit is $2.29 with the original selling price to be $8.99 and then a planned series of 4 markdowns from the original selling price. (11.5 points)

Markdown #1 = 10% Markdown 2 = 33% Markdown 3 = 50% Markdown 4 =75%

The Average Mark-up % is?