These questions are based on the table and information given below.
There are 6 refineries, 7 depots and 9 districts. The refineries are BB, BC, BD, BE, BF and BG. The depots are AA, AB, AC, AD, AE, AF and AG. The districts are AAA, AAB, AAC, AAD, AAE, AAF, AAG, AAH ad AAI. Table A gives the cost of transporting one unit from refinery to depot. Table B gives the cost of transporting one unit from depot to a district.

What is the least cost of sending one unit from refinery BB to any district?



[ A ]    284.5
[ B ]    311.1 right
[ C ]    451.1
[ D ]    297.5
[ E ]    None of these
Answer : Option B
Explanation :
500
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