Interest will be charged on any delinquent or late payment from the original due date of the return

Interest will be charged on any delinquent or late payment from the original due date of the return to the date paid. In addition, interest will be charged from the date of the billing notice until the date of payment, if other penalties are not paid within how many days of the date of the notice?

A. 10 days B. 14 days C. 15 days D. 20 days