Current Attempt in Progress

The credit terms offered to a customer by a business firm are $\frac{2}{10},\frac{n}{30},$ which means that

the customer must pay the bill within $10$ days.

the customer can deduct a $2\%$ discount if the bill is paid between the $10$th and $30$th day from the invoice date.

the customer can deduct a $2\%$ discount if the bill is paid within $10$ days of the invoice date.

two sales returns can be made within $10$ days of the invoice date and no returns thereafter.