plz answer the questions

ABC company incurred the following maintainance costs during the past 6 months Table 1 Months 1 2 COCOWN 4 5 6 Machine hours 2200 1000 1200 1600 1300 1900 2000 2300 900 Cost 8560 4200 5920 6280 4020 7020 8400 9500 3200 Question 2 A. Use the data on Table 1. estimate the variable and fixed cost of the company using the high and low method B. Develop a cost function for the company. C. Estimate the maintenance cost if 3000 machine hours were used in July Question 3 D. Use the data on Table 1. estimate the variable and fixed cost of the company using the least squares method E. Develop a cost function for the company. F. Estimate the maintenance cost if 2500 machine hours were used in July