How much does this cost to the nearest dollar?

Smart Buy 100 Pack DVD+R 4.7gb 16x White Printable Inkjet Blank Media Record Disc, 100 Disc 100pk
Smartbuy Features For use on writers or recorders that support DVD+R. Writing speed up to 16X. Ideal for high-speed recording. Broad read compatibility with most DVD+ROM drives and DVD video players. Ideal for high-volume data recording, archiving and video pre-mastering. Advantages of DVD+R According to the claims of the DVD Alliance, using a DVD+R (or DVD+RW) recorder will provide the following advantages over a DVD-R recorder 1. Instantly eject without having to wait for finalized formatting. 2. Ability to record one DVD disc partially on PC and partially on television. 

Price is $21.00

Price: $20.89