Required information 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 0-1,600 units, and monthly production costs for the production of 1,200 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 ($110 fixed) Supervisor's salary Total Cost $1,900 6,500 630 2,500 Maintenance ($320 fixed) Depreciation 470 900 Suppose it sells each birdbath for $28. 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 1,400 units.