Question $26$

Lincoln offers credit terms of net $30$ and net $50.$ Management believes that $60$ percent will receive net $30$ and the rest will receive net $50.$ Management expects that $70$ percent of the net $30$ group will pay on time, and the remaining $30$ percent will pay $10$ days late. They also expect that all of the net $50$ customers will pay on time. Calculate the ACP.

$33\mathrm{.}2$ days

$35\mathrm{.}9$ days

$37\mathrm{.}4$ days

$39\mathrm{.}8$ days