keep getting 5A & 5B wrong. please help

3. Based on the regression output obtained by the controller, what cost formula should be used to estimate future total costs for the Color Copy Department? Enter answer as an equation in the form of y=a+bx. 5-a. Use the high-low method to estimate the variable and fixed costs for the Color Copy Department. 5-b. What cost formula should be used based on your analysis? Enter answer as an equation in the form of y=a+bx 6. If 22,100 copies are made during Januory, what is the total cost predicted by each method? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. Use the high-low method to estimate the variable and fixed costs for the Color Copy Department. Note: Round your intermediate calculations and variable cost per unit to 2 decimal places. Tempe Office Services and Supplies (TOSS) provides various propluets and services in the Tempe Reseoreh Pork, home to numerous high-tech and bio-tech companies. Making color copies is one of its most popular and profitable services. The controller. performed a regression analysis of data from the Color Copy Department with the following results: The regression output was based on the following data: Required: 1. What is the variable cost per color copy for TOSS? 2. What is the fixed cost for the Color Copy Department? 3. Based on the regression output obtained by the controliet, what cost formula should be used to estimate future total costs for the Color Copy Department? Enter answer as an equation in the form of y=a+bx. 5-a. Use the high-low method to estimate the variable and fixed costs for the Color Copy Department. 5-b. What cost formula should be used based on your analysis? Enter answer as an equation in the form of y=a+bx. 6. If 22,100 copies are made during January, what is the total cost predicted by each method? 4. What is the rexea cost ror the Comor Lopy veparumerit 3. Based on the regression output obtained by the controller, what cost formula should be used to estimate future total costs for the Color Copy Department? Enter answer as an equation in the form of y=a+bx. 5-a. Use the high-low method to estimate the variable and fixed costs for the Color Copy Department. 5.b. What cost formula should be used based on your analysis? Enter answer as an equation in the form of y=a+bx. 6. If 22,100 copies are made during January, what is the total cost predicted by each method? Answer is complete but not entirely correct. Complete this question by entering your answers in the tabs below. What cost formula should be used based on your analysis? Enter answer as an equation in the form of y=a+bx. Note: Round your intermediate caleulations and your final answers to 2 decimal places