Use the following Payoff Table to answer question

S$1$

S$2$

S$3$

S$4$

S$5$

Buy $0$ Unit

$0$

$0$

$0$

$0$

$0$

Buy $1$ Unit

$-7$

$70$

$88$

$6$

$-14$

Buy $2$ Units

$-27$

$69$

$33$

$51$

$34$

Buy $3$ Units

$62$

$33$

$34$

$-1$

$84$

Probability

$0\mathrm{.}2$

$0\mathrm{.}4$

$0\mathrm{.}1$

$0\mathrm{.}1$

$0\mathrm{.}2$

What is the optimal decision if the manager is optimistic $($Maximax$)?$

Group of answer choices

Buy $0$ units

Buy $1$ units

Buy $2$ units

Buy $3$ units