Which plan has the least amount of risk?

Plan A

Payout P$($Payout$)$

$$25,0000\mathrm{.}22$

$$40,0000\mathrm{.}21$

$$75,0000\mathrm{.}57$

Plan B

Payout P$($Payout$)$

$$$$25,0000\mathrm{.}09$

$$10,0000\mathrm{.}24$

$$25,0000\mathrm{.}67$