i need

Sherry's target service level is ?%.

The Sherry's target stocking point is ? books.

b.

The new target service level is ?.

The new target stocking point is ? books.

Sherry Clewar is irying to fgure ovt how many custiom books to order for her class of 25 sudents. In the past, the number of atudecta buying books has ihown ine folowing dertand patern Cick the icon io view the demand paltem. a. Suppote each custom book costs shery s8 to print, and the seks the books to he students for 549 each. Ercess bocks must be scrapped The shemrs target service ievel it W. renter your fosponse at a percentage rechded to one decims place) \begin{tabular}{|cc|} \hline Number of Students & Percentage of \\ Who Bought a Book & Observations \\ \hline 16 or fewer & 2% \\ 17 & 3% \\ 18 & 7% \\ 19 & 11% \\ 20 & 15% \\ 21 & 38% \\ 22 & 15% \\ 23 & 4% \\ 24 & 3% \\ 25 & 2% \\ \hline \end{tabular}