Really need help on how to get these calculations. Thanks

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 0-2,000 units, and monthly production costs for the production of 1,500 units follow. Morning Dove's utilities and maintenance costs are mixed with the fixed components shown in parentheses. Production Costa Direct materials Direct labor Utilities ($130 fixed Supervisor's salary Maintenance ($250 fixed) Depreciation Total Cost $ 3,100 7,900 610 3,200 510 850 Suppose it sells each birdbath for $28. Required: 1. Calculate the unit contribution margin and contribution margin ratio for each birdbath sold. Complete this question by entering your answers in the tabs below. Required 1 Suppose it sells each birdbath for $28. Required: 1. Calculate the unit contribution margin and contribution margin ratio for each birdbath sold. Complete this question by entering your answers in the tabs below. Required 1 Calculate the unit contribution margin and contribution margin ratio for each birdbath sold. (Round Variable cost per unit to 2 decimal places. Round your contribution margin ratio to 2 decimal places. Enter all amounts as positive values.) Sales price per unit Variable Cost per Unit = Unit Contribution Margin 28.00 per Birdbath Unit Contribution Margin Sales price per unit Contribution Margin Ratio 72.11 % 28.00