Custom Tailored Shirts Is a Specialty Retailer Offering T-Shirts,sweatshirts,and Caps

Custom Tailored Shirts is a specialty retailer offering T-shirts,sweatshirts,and caps.Its most recent annual sales consisted of $21,000 of T-shirts,$18,000 of sweatshirts,and $2,900 of caps.The company is adding polo shirts to the lineup and projects that this addition will result in sales next year of $18,000 of T-shirts,$16,000 of sweatshirts,$11,500 of Polo shirts,and $2,100 of caps.What sales amount should be used when evaluating the Polo shirt project?

A) $11,500
B) $5,700
C) $4,900
D) $5,000
E) $6,100