Need help understanding #$1$ and #$2,$ as they are related to each other. Thank you!

Reconsider Problem $1.($a$)$ Assuming that the pump has an

efficiency of $72\%,$ compute the

needed power input to the pump. $($b$)$ Also compute the needed power input to the

corresponding motor assuming the motor efficiency is $86\%.$ Report your answers in

horsepower.