Please provide answer and show the equations used to reach the answer. THANKS! A manager must set up inventory ordering systems for two new production items: P$34$ and P$35.$ P$34$ can be ordered at any time, but P$35$ can be ordered only once every $4$ weeks. The company operates $50$ weeks a year, and the weekly usage rates for both items are normally distributed. The manager has gathered the following information about the items. a$.$ When should the manager reorder each item? b$.$ Compute the order quantity for P$34.$ c$.$ Compute the order quantity for P$35$ if $110$ units are on hand at the time the order is placed.