Morning Dove Company manufactures one model of birdbath, which is very popular. Morning Dove sells all units it produces each month. The relevant range is 0 to 1,600 units, and monthly production costs for the production of 1,300 units follow. Morning Dove's utilities and maintenance costs are mixed with the fixed components shown in parentheses. Production Costs Direct materials Direct labor Utilities ($120 Total Cost $ 1,900 7,700 640 fixed) Supervisor's salary 2,800 Maintenance ($300 460 fixed) Depreciation 750 Suppose it sells each birdbath for $28. es Required: 1. Calculate the unit contribution margin and contribution margin ratio for each birdbath sold. 2. Complete the contribution margin income statement assuming that Morning Dove produces and sells 1,500 units.