Credit terms of 2/10, n/30 mean that O A. a discount is allowed if the bill is paid after 10 days B. a discount is allowed if the bill is paid within 30 days. OC. a 2% discount is allowed if the customer pays the bill within 30 days. O D. 2% discount is allowed if the bill is paid within 10 days, or the entire amount is due within 30 days