Quarterly revenues (in $1,000,000's) for a national restaurant chain for a five-year period were as follows:

Quarter Year 1 Year 2 Year 3 Year 4 Year 5

Year 1) 33 42 54 70 85 Year 2) 36 40 53 67 82 3) 35 42 54 70 87 4 )38 47 62 77 99

a. Solve for the forecast equation that minimizes the sum of squared error. b. Forecast the four quarters of year 6.

Please note I am using excel for this homework and I am not using the solver, please show all work and formulas.