Louise Sells Ten Sweaters She Had Knitted to a Retail

Louise sells ten sweaters she had knitted to a retail store. The gross domestic product (GDP) of her country _____

A) will increase.
B) will decrease.
C) will remain unaffected.
D) will increase only if the sweaters are as good as the sweaters sold by other retailers.
E) will increase if the price of each sweater is less than the cost of inputs required.