Answer the Question on the Basis of the Following Total

Multiple Choice

Answer the question on the basis of the following total utility data for products L and M.Assume that the prices of L and M are $3 and $4 respectively and that the consumer's income is $18. $\begin{array}{l}\begin{array}{ccc}\text { Units}&\text{ Total }\\\text { of L } & \text { Utility } \\\hline1 & 9 \\2 & 15 \\3 & 18 \\4 & 20 \\5 & 21\end{array}\begin{array}{ccc}\begin{array}{c}\text { Units } \\\text { of M }\\\hline\end{array} & \begin{array}{c}\text { Total } \\\text { Utility }\\\hline\end{array} \\1 & 16 \\2 & 28 \\3 & 36 \\4 & 40 \\5 & 42\end{array}\end{array}$ Refer to the data.How many units of the two products will the rational consumer purchase?

A) 3 of L and none of M
B) 4 of L and 2 of M
C) 3 of L and 5 of M
D) 2 of L and 3 of M