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PA $11-2($Static$)$ Anvils Works' requires, on average, $2,800$ tons of aluminum...

Anvils Works' requires, on average, $2,800$ tons of aluminum each week, with a standard deviation of $1,000$ tons. The lead time to receive its orders is $10$ weeks. The holding cost for one ton of aluminum for one week is $$11.$ It operates with a $0\mathrm{.}98$ in$-$stock probability.

On average, how many tons does it have on order?

Note: Round your answer to nearest integer.

On average, how many tons does it have on hand?

Note: Round your answer to nearest integer.

If its average inventory was $5,000$ tons, what would be its average holding cost per week?

Note: Round your answer to nearest integer.

If its average inventory was $10,000$ tons, what would be its average holding cost per ton of aluminum?

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

Suppose its on$-$hand inventory is $4,975$ tons, on average. What in$-$stock probability does it offer to its customers? Hint: use the $=$NORM.S$.$DIST$($z$,1)$ Excel function.

Note: Do not round intermediate calculations. Round your answer to $4$ decimal places.

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