Bluebird MFG. has received a special one time order of 15,000 bird feeders at $3.30 per unit. Bluebird currently produces and sells 75,000 units at $7.30 each. This level represents 80% of its capacity. Production costs for these units are $3.95 per unit, which include $2.40 variable cost and $1.55 fixed cost. If bluebird accepts this additional buiness, the effect on net income will be:

A. $49,500 Increase

B. $13,500 Increase

C. $36,000 Increase

D. $9,750 Decrease