You fit different ARIMA models to predict the stock price of Tech Mahindra. The following are the AIC statistics associated with each of the fitted models.

ARIMA(2,1,2) with drift : 22575.8

ARIMA(0,1,0) with drift : 22584.49

ARIMA(1,1,0) with drift : 22583.14

ARIMA(0,1,1) with drift : 22581.8

ARIMA(0,1,0) : 22584.73

ARIMA(1,1,2) with drift : 22574.58

ARIMA(0,1,2) with drift : 22572.16

ARIMA(0,1,3) with drift : 22573.68

ARIMA(1,1,1) with drift : 22576.47

ARIMA(1,1,3) with drift : 22568.05

Based on the output of the above models, shortlist the model with the best AIC values and write down the mathematical equation of the price for the best model.