Jones corp has provided the following cost, price, and sales data:

Jones is currently selling 8,000 units per month.

Jones Fixed expenses are $880,000 per month.

Jones sales manager is planning to cut the selling price by $28 and increase advertising spending by $60,000 per month.

Jones manager above believes that these changes would increase monthly sales quantity by 20%.

Q: What would be the overall effect on Jones monthly net operating income of this change?

A.13,800 dollares

B.-31,200 dollares

C.-15,768 dollares

D. -63,840 dollares