I need to know why the answer is B for question F.

Data from the duplicating department of a company for the last 2 months are as follows: What is total cost at 110,000 copies? $5, 500 $2, 200 $1, 100 $8, 700 $7, 920 A company is offered a one-time special order for its product and has the capacity to take this order without losing current business. Variable costs per unit and total fixed costs will be the same. The gross profit for the special order will be 10%, which is 15% less than the usual gross profit What impact will this order have on total fixed costs and operating income? Total fixed costs increase, and operating income increases. Total fixed costs do not change, and operating income increases. Total fixed costs do not change, and operating income does not change. Total fixed costs increase, and operating income decreases