$($Liquidity analysis$)$ The Mitchem Marble Company has a target current ratio of $2\mathrm{.}1$ but has experienced some difficulties financing its expanding sales in the past few months. At present, the firm has a current ratio of $2\mathrm{.}9$ and current assets of $$2\mathrm{.}76$ million. If Mitchem expands its receivables and inventories using its short$-$term line of credit, how much additional short$-$term funding can it borrow before its current ratio standard is reached?

The additional amount of receivables and inventories $($short$-$term debt$)$ is $ million. $($Round to two decimal places.$)$