Based on the Contribution Margin format income statement

Sydney Bakery
Contribution Margin Income Statement
Sales in units	$6,600 $150 $3,750	3,000 $19,800 $10,500
Sales
Less: Variable expenses
Cost of goods Sold
Advertising
Salaries
Total variable cost	$800 $1,800 $700 $500 $3,600
Contribution Margin		$9,300 $7,400
Less: Fixed expenses
Advertising expense
Rent
Depreciation
Advertising
Salaries
Total Fixed cost
Net Operating Income		$1,900

calculate the following: 1. Total Contribution Margin

2. Contribution Margin per unit

3. Contribution Margin ratio

4. Break even point in $ and in units

5. Number of units and sales $ required to achieve monthly profits of $4,200.