d$.$ Suppose Goop purchases $450$ gallons of raw material. How much should it expect to spend on disposal costs $($in dollars$)?$ Use Table $13\mathrm{.}4$ and the round$-$up rule.

Note: Round your answer to $2$ decimal places.

Disposal cost

e$.$ Suppose Goop wants to ensure that there is a $93$ percent probability that it will be able to satisfy its customers' entire demand. Ho many gallons of the raw material should it purchase? Use Table $13\mathrm{.}4$ and the round$-$up rule.

Note: Enter your answer as a whole number.

Order quantity