$4-32$ Modify your solution to Exercise $4-31$ so that shoppers choose the checkout lane has the smallest total service time, including the shoppers already in the queue and the total service time of the shopper currently being served $($don$\text{'}$t account for any partial service time of the shopper currently being served$).$ Again, break ties in favor of the lower$-$numbered checkout $($but compared to Exercise $4-31,$ ties should be very unlikely,

PLEASE HELP ME HOW TO DO THIS IN ARENA STEP BY STEP

actually, probability zero; why so here and not in Exercise $4-31?).$ Compare your results $($same output performance metrics$)$ with those from Exercise $4-31$ in a text box in your model, and comment briefly. HINT: Generate the service time when the shopper enters the system. See Exercise $6-28$ for a better way to do this comparison, which pays proper attention to statistical$-$analysis issues.