Linda Elliot, an accountant f associated with the company's repair activity. months: or Lutz Inc. has decided to estimate the fixed and variable components collected the following data for the past six She has Repair Hours Total Repair Costs $ 800 1,100 10 20 15 12 18 25 900 900 1.050 1,250 I. Determine the high and low point. 2. Calculate the variable rate for the repair activity. 3. Calculate the fixed rate for the repair activity. 4. Write the cost formula for the repair activity. 5. Using the cost formula, predict the total cost if 14 hours are used