Credit Terms of 1/10,n/30 Mean That

Multiple Choice

Credit terms of 1/10,n/30 mean that

A) payment in full is due 10 days after date of the invoice.
B) a 1% discount may be taken for up to 30 days.
C) if the invoice is paid within 10 days of its date,a 1% discount may be taken;otherwise the total amount is due in 20 days.
D) if the invoice is paid within 10 days of its date,a 1% discount may be taken;otherwise the total amount is due in 30 days.