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 1,500 units, and monthly production costs for the production of 500 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 ($100 fixed) Supervisor's salary Maintenance ($280 fixed) Depreciation Total Cost $ 1,500 7,500 650 3,000 480 800 Suppose it sells each birdbath for $25. 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.