A company periodically produces a part that is a basic component of an assembled product. Each time the part is run, a fixed cost of $$125$ is incurred. The cost to hold one unit for a week is estimated to be $$1\mathrm{.}65.$ For the demand $($not requirements$)$ shown below, determine the quantity and timing of production runs using the part period method. L$04$ Demand $($units$)$ Week $14022010042020$ SO and marking lots expects the following demand for