Table 58 Shows Jacintha's Marginal Utility for Goods a and
B

Table 5.8 shows Jacintha's marginal utility for Goods A and
B.
$$\begin{array}{l}\text { Table } 5.8\\\begin{array} { l l l l } \hline \mathrm { Q } _ { \mathrm { A } } & \mathrm { MU } _ { \mathrm { A } } & \mathrm { Q } _ { \mathrm { B } } & \mathrm { MU } _ { \mathrm { B } } \\\hline 1 & 60 & 1 & 60 \\2 & 24 & 2 & 18 \\3 & 6 & 3 & 3 \\4 & 2 & 4 & - 3 \\5 & - 2 & 5 & - 9 \\\hline\end{array}\end{array}$$ a) Suppose Jacintha's budget is $12 and P_A = P_B = $2, should she spend her entire budget? Explain why or why not.
b) Suppose Jacintha's budget is $20 and P_A = P_B = $2, should she spend her entire budget? Explain why or why not.