Requirement $1.$ Calculate$($a$)$ the average amount of time that an order for Upper Z $39$ will wait in line before it is processed and$($b$)$ the average manufacturing cycle time per order for Upper Z $39.($Abbreviations used: Capacity$=$ Annual machine$$ capacity, Orders Upper Z $39=$ Annual average number of orders of Upper Z $39,$ Mfg time Upper Z $39=$ Manufacturing time per order of Upper Z $39,$ SP Upper Z $39=$ Selling price per order of Upper Z $39,$ VC Upper Z $39=$ Variable cost per order of Upper Z $39.)$

$($a$)$ Calculate the average amount of time that an order for Upper Z $39$ will wait in line before it is processed. Begin by selecting the formula to calculate the wait time for Upper Z $39.$