How much does this cost to the nearest dollar?

AC Replacement Adapter Charger for Digitech RP100 RP150 RP200 RP300 RP350 RP3 RP250 RP200A RP250 RP255 RP350 RP300A RP355 Guitar Pedal Multi Effects Processor Switching Power Supply
Compatible with Digitech RP-250 RP100A RP250, RP255, RP350, RP355, RPx400 RP155 RP255 RP355 HZPOWEN products are CE / FCC / RoHS certified, tested by the manufacturer to match and / or exceed the OEM specifications. AC Input DC Output 9V 1A Compatible with Digitech RP-250 RP100A RP250, RP255, RP350, RP355, RPx400 RP155 RP255 RP355 Digitech Live 3, Live 5, RP100,

Price is $13.00
Price: $12.99