Sherri's Tan-O-Rama is a local tanning salon. Its regression output is as follows: Intercept X Variable 1 Coefficients 4,552.73 2.90 Suppose that the company charges $6.40 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 1,350 tanning sessions this month. Complete this question by entering your answers in the tabs below. Unit CM CM Ratio Total CM Calculate the unit contribution margin. (Round your final answer to 2 decimal places.) Unit Contribution Margin Unit CM CM Ratio >