Tan-O-Rama is a local tanning salon. its regression output is as follows: Suppose that the company charges $8.40 per tanning session. Required: 1. Calculate the unit contribution margin. 2. Calculate contribution margin ratio. 3. Calculate the total contribution margin if the shop books 1,300 tanning sessions this month. Complete this question by entering your answers in the tabs below. Calculate the unit contribution margin. Note: Round your final answer to 2 decimal places. Calculate contribution margin ratio. Note: Round your answers to 2 decimal places and contribution margin ratio percentage to 2 decimal places (i.e.. 1234 should be entered as 12.34%.) Calculate the total contribution margin if the shop books 1,300 tanning sessions this month. Note: Round your answers to 2 decimal places and "Total Contribution Margin" to the nearest whole dolla