Which of the Following Statements Is True About the Dates

Which of the following statements is true about the dates that affect magazines purchases?

A) The cover date refers to the date printed on the cover.
B) The on-sale date refers to the date all material must be in the publisher's hands for a specific issue.
C) The dates that affect magazine purchases are in-hand date and closing date.
D) The publication date refers to the date the magazine is actually issued.
E) Printing date refers to the date when the advertiser must pay the publisher.