Carlos Naturals Manufactures Bulk Quantities of Cleaning Fluids

Carlos Naturals manufactures bulk quantities of cleaning fluids.The company currently sells 700 containers a month at a sales price of $24 per unit.The addition of a new disinfectant will result in a sales price of $26 per unit for the improved product.It would cost a total of $4000 per month to make the alteration.Operating income would ________.

A) decline by $16,800
B) increase by $4000
C) increase by $2600
D) decline by $2600