Suppose operation X feeds directly into operation Y$.$ All of X$\text{'}$s output goes to Y$,$ and Y has no other operations feeding into it$.$ X has a design capacity of $80$ units per hour and an effective capacity of $72$ units per hour. Y has a design capacity of $100$ units per hour. What is Y$\text{'}$s maximum possible utilization?A$\mathrm{.}72$ percentB$\mathrm{.}80$ percentC$\mathrm{.}60$ percentD$\mathrm{.}70$ employeesE$\mathrm{.}90$ percent