A company manufactures three products using the same production process. The costs incurred up to the split-off point are $201,900. These costs are allocated to the products on the basis of their sales value at the split-off point. The number of units produced, the selling prices per unit of the three products at the split-off point and after further processing, and the additional processing costs are as follows. Product Number of Units Produced Selling Price at Split-Off Selling Price after Processing Additional Processing Costs D 4,540 $10.30 $14.90 $14,824 E 6,410 11.40 15.80 20,554 F 1,750 19.80 22.20 7,520 (b1) Determine the incremental profit (loss) of each product(s). (Enter negative amounts using either a negative sign preceding the number e. g. -45 or parentheses e. g. (45).) Product D Product E Product F Incremental profit (loss) $ $ $ (b2) Which product(s) should be processed further and which should be sold at the split-off point