A Company Produces 1,000 Packs of Chicken Feed Per Month

A company produces 1,000 packs of chicken feed per month.The sales price is $4 per pack.Variable cost is $1.50 per unit,and fixed costs are $1,800 per month.Management is considering adding a vitamin supplement to improve the value of the product.The variable cost will go up from $1.50 to $1.90 per unit,and fixed costs will go up by 20%.The company will price the new product at $5 per pack.How will this affect operating income?

A) Operating income will go down by $150 per month.
B) Operating income will remain unchanged.
C) Operating income will go down by $400 per month.
D) Operating income will go up by $240 per month.