$($Related to Checkpoint? $4\mathrm{.}1)($Liquidity analysis$)$ Airspot Motors, Inc. has $ $2,145,000$ in current assets and $ $858,000$ in current liabilities. The company's managers want to increase the firm's inventory, which will be financed using short$-$term debt. How much can the firm increase its inventory without its current ratio falling below $2\mathrm{.}0($assuming all other current assets and current liabilities remain constant$)?$