Hammer $($M$)$ Sdn$.$ Bhd has won a contract to assemble$150,000$ units this component for their customer. The working hour start from $7\mathrm{.}00$ a$.$m$.$ to $7\mathrm{.}00$p$.$m with $22$ working days$/$month$.$ The normal average assembly rate is about $105$ units$/$operator$/$day$.$ The delivering timefor $150,000$ units of this component is within $30$ days. Calculate the minimum number ofoperators required and total working hour in order to complete the contract.