How much does this cost to the nearest dollar?

Hosa 1/4 To Mini 1/8 TRS Adaptor
This adapter converts 1/4 Stereo headphone plug to a Stereo 3.5mm male. Hosa cables are built with the hard-working, hard-touring musician or audio professional in mind. Hosa cables are exceedingly popular, due in part to their reputation as being one of the most affordable and high-quality cable lines in the business. Hosa cables have also received praise for their durability and excellent performance. When it comes to audio cable design, Hosa keeps a steady eye on the basics, and you can hear this attention to detail in their sound. Left Connector(s) 1 x phone stereo 6.3 mm - female Right Connector(s) 1 x mini-phone stereo 3.

Price is $4.00
Price: $3.75