Data from a company's most recent balance sheet appear below:

Cash

Marketable securities

Accounts receivable

Short$-$term notes

receivable

Inventory

Prepaid expenses

Current liabilities

The corporation's acid$-$test ratio is closest to:

$0\mathrm{.}68$

$0\mathrm{.}79$

$0\mathrm{.}15$

$0\mathrm{.}35$