The annual report for Fabeck Finishing Corporation contained the following information:

$($in millions$)20212020$

Accounts Receivable $ $679$ $ $741$

Allowance for Doubtful Accounts $3527$

Accounts Receivable, Net $ $644$ $ $714$

Assume that accounts receivable write$-$offs amounted to $$13$ during $2021$ and $$3$ during $2020,$ and that Fabeck Finishing did not record any recoveries.

Required:

Determine the Bad Debt Expense for $2021$ based on the above facts. $($Enter your answer in millions.$)$