The answer is not 1200, neither 1350

please help

Based on the improvement index for each of the unused cells, in the first improvement iteration, unused cell B-1 should get an assignment of 20 units. a) The improved transportation flow will be: (Note: You must enter a shipment in every cell, even if the shipment is 0.) TO From 2 3 $30 $30 $5 Capacity 35 30 $10T $10 $10 20 | T 525 $20 LS101 | 6010 70 b) The total cost of the improved solution = 1350 dollars. The solution achieved based on the one improvement, can be further improved by assigning quantity to C-1. The total cost of the optimal solution = 1200 dollars. Fnter your answer in the answer hox and then click Check