What does the notation '2/10 net 30' signify in terms of sales discounts?

• A. A 10% discount if paid within 2 days, with a total of 30 days allowed for payment.
• B. A 30% discount if paid within 2 days, with a total of 10 days allowed for payment.
• C. A 2% discount if paid within 10 days, with a total of 30 days allowed for payment.
• D. A 2% discount if paid within 30 days, with a total of 10 days allowed for payment.

Answer: (C)