A $$1\mathrm{.}00$ slot machine pays out according to the table above, with the corresponding probabilities.

The machine only pays out if you get one of the results in the table.

The "gross" payout is the payout BEFORE subtracting the cost to play.

The "net" payout is the payout AFTER subtracting the cost to play.

a$.$ The expected gross payout per spin $($to two decimals$)$ is $

b$.$ If you play this machine $100$ times, your expected net loss $($don$\text{'}$t include minus sign$)$ is