The credit terms $2/10,\frac{n}{30}$ are interpreted as:

Multiple Choice

$2\%$ discount if paid within $30$ days.

$10\%$ cash discount if the amount is paid within $2$ days, or the balance due in $30$ days.

$30\%$ discount if paid within $10$ days.

$2\%$ cash discount if the amount is paid within $10$ days, or the balance due in $30$ dys$.$