The company must pay the following shipping costs per barrel:

$\backslash$table$[[$trem$,$te$],[1,7,3,6,5,6],[$A$.,5050,$$$35,50\mathrm{.}60,50\mathrm{.}65,50\mathrm{.}60,50\mathrm{.}75],[$B$.,0\mathrm{.}25,0\mathrm{.}55,8\mathrm{.}40,0\mathrm{.}55,0\mathrm{.}20,0\mathrm{.}65],[$c$.,0\mathrm{.}49,,0\mathrm{.}55,6\mathrm{.}51,0\mathrm{.}35,0\mathrm{.}50]]$

Determine the minimum cost shipping routes for the company.