Calculate the following. Please do not show any workings. Unless otherwise stated, please show your answer in 2 decimal places (i.e. 6.50) a. The contribution margin (per unit) for calendars is $ b. The contribution margin (per unit) for printed arts is $ c. Calculate the sales mix proportion. Please include your answer as a ratio to 2 decimal place (not as a percentage). As an example, 0.62 instead of 62.00%. i. The sales mix proportion for Calendars is ii. The sales mix proportion for Printed Arts is d. The weighted average contribution margin is $ Please round your answer to 2 decimal places. In your d. The weighted average contribution margin is \$ Please round your answer to 2 decimal places. In your 'calculation, please use rounded answers from all previous parts of the question as required (i.e., please use exact answer as inputted in Part C, such as 0.58). e. The Break-even in total is units. Please round your answer to the nearest units. In your calculation, please use rounded answers from all previous parts of the question as required (i.e., please use exact answer as inputted in Part D, such as 8.78) f. Calculate Break-even for each individual product. Please round your answer to the nearest units. In your calculation, please use rounded answers from all previous parts of the question as required (i.e., please use exact answer as inputted in Part C, such as 0.58) i. The Break-even for Calendars is units of Calendars. ii. The Break-even for Printed Arts is units of Printed Arts