The comparative financial statements of Essex Cosmetic Supply for $2018,2017,$ and $2016$ include the data shown here:

$($Click the icon to view the comparative financial data.$)$

Read the requirements.

Requirement $1$a$.$ Compute the acid$-$test ratio for $2018$ and $2017.($Round to two decimals.$)($Abbreviations used: Cash $=$ Cash including cash equivalents; ST invest. $=$ short$-$term investments. Round the acid test ratios to two decimals, X$.$XX$.)$