Second Question: (6 Marks) The following information about the electricity cost of your house for the first six months: Month kilowatt Hours Cost of electricity 1 5600 970 2 5000 859 3 7000 1200 4 6200 990 5 5500 960 6800 1160 By using excel: Find the cost equation for electricity cost and estimate it for July if expected maintenance hours is 5500 hours. Why is there difference between your number and what included in May.