Mag Tech assembles Blu$-$ray players from four major components arranged as follow:

Problem $4-6$ Image$-1.$JPG

The components can be purchased from three different vendors, who have supplied the following reliability data.

Components Vendor $1$ Vendor $2$ Vendor $3$

A $0\mathrm{.}940\mathrm{.}850\mathrm{.}92$

B $0\mathrm{.}860\mathrm{.}880\mathrm{.}90$

C $0\mathrm{.}900\mathrm{.}930\mathrm{.}95$

D $0\mathrm{.}930\mathrm{.}950\mathrm{.}90$

Which supplier should be chosen?