please answer both questions

1 53 If the above correlogram looked the same except that the PAC function cut off after the 3rd lag, would you conclude that the series is an O AR(1) process O MA(3) process O ARMA (3,3) process O AR(3) process -RA 9 If the AC and PAC function were reversed, i.e., the PAC damped slowly and the AC cut off after three lags, what would you conclude? O The series is an AR(1) process O The series is an MA(3) process O The series is an ARMA (3,3) process O The series is an AR(3) process