Problem $3-31($Algo$)($I HAVE SUBMITTED THIS THREE TIMES FOR INCORRECT ANSWERS$)$

The following are sales revenues for a large utility company for years $1$ through $11.$ Forecast revenue for years $12$ through $15.$ Because

we are forecasting four years into the future, you will need to use linear regression as your forecasting method.

Note: Enter your answers In millions.

$$ Answer is complete but not entirely correct.