4 types of bulldozers

A construction company has four large bulldozers to be transferred from different garages. There are 12,10,8 and 12 bulldozers respectively and they are to be moved to four different construction sites A to D that require 10,8,14 and 10 bulldozers each. The distances in kilometers between the bulldozers and the construction sites are given below. Considering the high cost of fuel, you are asked to apply your skills in costing to advise the company