Suppose that a product's value is $$500.$ The manufacturer experiences a holding cost of $2\%$ per month. The firm ships the product across country by truck, and it arrives twelve days later. The shipping cost is $$45$ per unit. What is the holding cost on each unit shipped? $($Assume $30$ days per month.$)$ $$4\mathrm{.}00$

Suppose that the allowance factor for a job is $0\mathrm{.}11$ and the normal time is $8$ hours. What is the standard time $($in hours$)?$