What is the answer of the followings and how do you get the answers?

Medical Center has collected data on all its activities for the past seven months. Data for the cardiac nursing care follow:

Cost Hours of Nursing Care

Sept. 2016 P 69,500 1,700

Oct. 64,250 1,550

Nov. 52,000 1,200

Dec. 66,000 1,600

Jan. 2017 83,000 1,800

Feb. 66,550 1,330

Mar. 79,500 1,700

Required:

1. Using the high low method, calculate the variable rate per hour and the fixed cost for the nursing care activity.
2. Upon looking into the events that happened at the end of 2016, you find that the cardiology ward bought a cardiac monitoring machine for he is nursing station. A decision was also made to add a new supervisory position for the evening shift. Monthly depreciation on the monitor and the salary of the new supervisor totals P10,000. Calculate the fixed cost and variable rate applicable to November 2016 and the fixed cost and variable rate applicable to March 2017?
3. What is the expected cost for the month of April 2017 assuming that the center operates at 75,000 patient level?