Complete all parts of A, B, C, and D

Please label things and make it clear

for example part A1 - Blank company is

- Noir Company is

The following single-column CVP income statements are available for Blanc Company and Noir Company. (a1) Calculate contribution margin ratio. (Round answers to 2 decimal places, e.g. 0.32.) Compute the break-even point in sales dollars for each company. (Round answers to 0 decimal places, e.g. 5,125.) Compute margin of safety ratio for each company. (Round answers to 3 decimal places, e.g. 0.321.) Compute the degree of operating leverage for each company. (Round answers to 2 decimal places, e.g. 1.56.) Assuming that sales revenue increases by 20% due to an increase in sales quantity, prepare a CVP income statement for each company. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Assuming that sales revenue increases by 20% due to an increase in sales quantity, prepare a CVP income statement for each company. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).) Assuming that sales revenue decreases by 20% due to a decrease in sales quantity, prepare a CVP income statement for each company. (Enter negative amounts using either a negative sign preceding the number e.g. 45 or parentheses e.g. (45).) Assuming that sales revenue increases by 20% due to an increase in sales quantity, prepare a CVP income statement for each company. (Enter negative amounts using either a negative sign preceding the number e.g. -45 or parentheses e.g. (45).)