gravity model is proposed to generate a 3x3 trip distribution matrix. The expected total trip productions are 0 = 250, 02 = 1 where cij is A doube-constrained 415, and 03 = 395, and the expected trip attractions are D-340, D=285, and D3= 435. A cost function is specified as f(c) = Using the Furness algorithm with a convergence criterion of e=0.001, determine the final expected number of trips from origin zone 3 to destination zone 1. Round the number of trips to the nearest whole number. O a. 47 trips O b.74 trips O c. 26 trips O d. 98 trips O e. 68 trips the average travel time frrom zone i to zonej (in hours). The average travel time within the same zone is 30min for all three zones and the average travel time between different zones is 1h for all pairs of different zones.