The Llama Wool Shoppe Bought 225 Wool Overcoats for $16

The Llama Wool Shoppe bought 225 wool overcoats for $16 875; 75 overcoats were sold at a markup of 160% of cost and 100 overcoats at a markup of 115% of cost; 20 of the overcoats were sold during a clearance sale for $130.00 each and the remaining overcoats were disposed of at 11% below cost. Assume all overcoats had the same cost. What was the markup realized on the purchase?

A) $18 477.50
B) $18 677.50
C) $18 758.75
D) $18 215.00
E) $18 555.00