Sherri's Tan-O-Rama is a local tanning salon. Its regression output is as follows: Intercept X Variable 1 Coefficients 4,578.83 2.18 Suppose that the company charges $7.80 per tanning session. Calculate the unit contribution margin. Unit Contribution Margin Calculate contribution margin ratio. (Round your contribution margin ratio percentage to two decimal places (i.e. .1234 should be entered as 12.34%.)) = Contribution Margin Ratio Calculate the total contribution margin if the shop books 1,350 tanning sessions this month. (Round contribution margin per unit to 2 decimal places and final answer to the nearest whole dollar.) = Total Contribution Margin