How much does this cost to the nearest dollar?

AC Adapter - Power Supply Compatible with LG SL8YG Soundbar
AC/DC Power Adapter with OVP, OCP, SCP Protection (OVP Over Voltage output Protection. OCP Over Current output Protection. SCP Short Circuit output Protection) Great quality brand new ac power adapter. This is a powerful power adapter which supplies enough amps to support the Soundbar deliver its best performance of all time. Replacement power supply for LG Sound Bar. Featured with over-charging, short-circuit, high-temperature, and surge protection. Supports international voltags. 30 Days Money Back Guarantee / worry free warranty for our product Please contact us with any questions or concerns. Is Discontinued No, Available February 12, 2018, Manufacturer PowerTech, Brand PowerTech Supplier, Connector Type barrel connector

Price is $31.00

Price: $30.95