- Calculate the unit contribution margin and contribution margin ratio for each birdbath sold. . Complete the contribution margin income statement assuming that Morning Dove produces and sells 1,800 units. Complete this question by entering your answers in the tabs below. Calculate the unit contribution margin and contribution margin ratio for each birdbath sold. Note: Round your intermediate calculations and final answer to 2 decimal places, Enter all amounts as positive values. Complete the contribution margin income statement assuming that Morning Dove produces and sells 1,800 units. 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 2,000 units, and monthly production costs for the production of 1,600 units follow. Morning Dove's utilities and maintenance costs are mbxed with the fixed components shown in parentheses. Suppose it sells each birdbath for $30. 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 1,800 units