Inverness Steel Corporation is a producer of flat$-$rolled carbon, stainless and electrical steels, and tubular products. The company's income statement for the $2024$ fiscal year reported the following information $($$ in millions$)$:

Sales $ $6,800$

Cost of goods sold $5,800$

The company's balance sheets for $2024$ and $2023$ included the following information $($$ in millions$)$:

$20242023$

Current assets:

Accounts receivable, net $ $716$ $ $616$

Inventories $925842$

The statement of cash flows reported bad debt expense for $2024$ of $$9$ million. The summary of significant accounting policies included the following notes $($$ in millions$)$:

Accounts Receivable $($in part$)$

The allowance for uncollectible accounts was $$11$ and $$8$ at December $31,2024$ and $2023,$ respectively. All sales are on credit.

Inventories

The cost of the majority of inventories is measured using the last$-$in$,$ first$-$out $($LIFO$)$ method. Other inventories are measured principally at average cost and consist mostly of foreign inventories and certain raw materials. If the entire inventory had been valued on an average cost basis, inventory would have been higher by $$540$ and $$390$ at the end of $2024$ and $2023,$ respectively.

During $2024,2023,$ and $2022,$ liquidation of LIFO layers generated income of $$7,$ $$8,$ and $$26,$ respectively.

Required:

Determine the amount of accounts receivable Inverness wrote off during $2024.$

Note: Enter your answer in millions.

Calculate the amount of cash collected from customers during $2024.$

Note: Enter your answer in millions.

Calculate what cost of goods sold would have been for $2024$ if the company had used average cost to value its entire inventory.

Note: Enter your answer in millions.

Calculate the receivables turnover ratio, the inventory turnover ratio, and the gross profit ratio for $2024.$

Note: Round "Receivables turnover ratio" and "Inventory turnover ratio" answers to $2$ decimal places. Round "Gross profit ratio" answer to nearest percent $($i$.$e$.,0\mathrm{.}123$ needs to be entered as $12\%).$