Starforce Avionics makes aircraft instrumentation. Its basic navigation radio requires

$ 80$80

in variable costs and

$ 5 comma 000$5,000

per month in fixed costs. Further processing the radio, to enhance its functionality, will require an additional

$ 28$28

per unit of variable costs but no change to the fixed costs. The marketing manager believes that the company would be able to increase the sales price from

$ 290$290

to

$ 310$310.

If Starforce decides to further process the product, operating income would ________.

A.decrease by

$ 8$8

per unit

B.

remain the same

C.increase by

$ 108$108

per unit

D.increase by

$ 28$28

per unit