A mutual fund company offers its customers a variety of funds: a money$-$market fund, three different bond funds $($short$,$ intermediate, and long$-$term$),$ two stock funds $($moderate and high$-$risk$),$ and a balanced fund. Among customers who own shares in just one fund, the percentages of customers in the different funds are as follows.

$\backslash$table$[[$Money$-$market,$21\%,$High$-$risk stock,$16\%$