Required information [The following information applies to the questions displayed below.] 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 1,700 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 ($130 fixed) Supervisor's salary Maintenance ($300 fixed) Depreciation Total Cost $ 2,700 6,900 650 3,000 500 750 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.