A$=$expected duration $10,$ cariance duration $1\mathrm{.}2,$ A ecpexcted duration $=5,$ variance $=1\mathrm{.}00,$ C$=$ expected duration $15$ and variance $2\mathrm{.}4,$ D expected duration $=11$ variance $=1\mathrm{.}5,$ Eexpected duration $=10$ variance is $1\mathrm{.}8.$ How many minutes will it take for the project be completed if the company projects $90\%$ upper bound on the completion tome of the project