Problem 18-1B . Please help me with my homework :)

Problem 18-1B Cost estimation using high-low method P1 Sun Co.'s monthly data for the past year follow. Management wants to use these data to predict future variable and fixed costs. Required 1. Estimate both the variable costs per unit and the total monthly fixed costs using the high-low method. 2. Use the answers for variable and fixed costs from part 1 to predict future total costs when sales volume is (a) 100,000 units and (b) 170,000 units. Analysis Component Page 735 3. Use these data to prepare a scatter diagram. Draw an estimated line of cost behavior and determine whether the cost appears to be variable, fixed, or mixed