Please post a step-by-step on how to do these problems! Thank you so much!

Here are the answer choices that correspond with the numbers!

8. The contribution margin income statement of Sugar Lips Donuts for August 2018 follows (Click the icon to view the contribution margin income statement.) Sugar Lips sells three dozen plain donuts for every dozen custard-filled donuts. A dozen plain donuts sells for $4.00 with total variable cost of $1.80 per dozen. A dozen custard-filled donuts sells for $8.00, with total variable cost of $3.60 per dozen Read the requirements Requirement 1. Calculate the weighted-average contribution margin. (Round all currency amounts to the nearest cent.) Plain Filled Total Contribution margirn Weighted-average contribution margin per unit Requirement 2. Determine Sugar Lips's monthly breakeven point in dozens of plain donuts and custard-filled donuts. Prove your answer by preparing a summary contribution margin income statement at the breakeven level of sales. Show only two categories of costs: variable and fixed We'll begin with the breakeven point. Start by selecting the formula and entering the amounts to compute the breakeven point in units for the "package" of productstotal dozens of donuts to be sold. (Complete all answer boxes. Enter a "O" for any zero balances. Enter currency amounts to the nearest cent. Abbreviation used: Weighted-avg. CM = weighted-average contribution margin.) = Required sales in units Determine Sugar Lips's monthly breakeven point in dozens of plain donuts and custard-filled donuts The breakeven point is Prove your answer by preparing a summary contribution margin income statement at the breakeven level of sales. Show dozen plain donuts and dozen custard-filled donuts only two categories of costs: variable and fixed. (Enter a "O" for any zero balances.) Sugar Lips Donuts Contribution Margin Income Statement Plain Filled Total Net Sales Revenue Variable Costs Contribution Margin Fixed Costs Operating Income Requirement 3. Compute Sugar Lips's margin of safety in dollars for August 2018