The Green Cab Company has a taxi waiting at each of four cabstands inEvanston, Illinois. Four customers have called and requested service. Thedistances, inmiles, from the waiting taxis to the customers are given in the following table.

Customer

Cab Site A B C D

Stand 1 9 5 6 5

Stand 2 7 6 8 7

Stand 3 8 9 5 8

Stand 4 8 8 9 6

The optimal assignment of taxis to customers that minimizes the distance is:

Customer A = (STAND 1, STAND 2, STAND 3, STAND 4) WHICH ONE

Customer B = (STAND 1, STAND 2, STAND 3, STAND 4) WHICH ONE

Customer C = (STAND 1, STAND 2, STAND 3, STAND 4) WHICH ONE

Customer D = (STAND 1, STAND 2, STAND 3, STAND 4) WHICH ONE

The cumulative distance of the optimal assignment of taxis to customers=

_________ miles (enter your response as a wholenumber).