help question 6, has four parts,

a. What coded valus do you assign to x for the frst year in the series? b. What coded value do you assign to X for the ninth year in the series? c. What coded value io you assign to X for the most recent recorded year in the secies? d. What coded yalue de you assign to X if you want to project the trend and make a forecast seven years bepond the iast observed value? 3. For the fest year in the series. x= (6implify your antiver?)