Shelf-It Inc. incurs the following costs to make each custom made shelf: materials of $14, labour of $14, variable overhead of $4 and xed overhead of $6. Each shelf normally sells for $45. A customer is offering to buy 1,550 units at $37 each. Shelf-It will incur additional costs of $3 per shelf to imprint a logo and to pay for shipping. (3) Prepare an incremental analysis for the special order. (If an amount reduces the net income then enter with a negative sign preceding the number e.g. -15,000 or parenthesis, e.g. (15,000).) Revenues $ $ 55 Costs Net Income $ $ $ (b) Should Shelf-It accept the special order? E]