Ahngram Corp. has 1,000 defective units of a product that cost $3.30 per unit in direct costs and $6.80 per unit in indirect cost when produced last year. The units can be sold as scrap for $4.30 per unit or reworked at an additional cost of $2.80 and sold at full price of $12.90. The incremental net income (loss) from the choice of reworking the units would be:________

a. $2,800.
b. $4,300.
c. $10,100.
d. ($2,800).
e. $0.