The sales of refrigerators for a six month period forM/s National Mixer Co. are as follows :Month…

The sales of refrigerators for a six month period forM/s National Mixer Co. are as follows :Month : Jan Feb March April May JuneSales(‘000 units) : 18 15 20 18 22 20i) Find Linear trend equation.ii) Estimate the sales for the month of July.