How much does this cost to the nearest dollar?

HiLetgo 2.5W Class D Single Channel Solo Audio Amplifier Board Amp Module
Description Output Power 2.5W at 4¦¸, 10% THD, 1.5W at 8¦¸, 10% THD, with 5.5V Supply 50dB PSRR at 1KHz Filterless design, with ferrite bead + capacitors on output. Fixed 24dB gain, onboard trim potentiometer for adjusting input volume. Thermal and short-circuit/over-current protection Low current draw 4mA quiescent and 1uA in shutdown mode Package includes 1x 2.5W Class D Single Channel Audio Amplifier Board Amp Module Output Power 2.5W at 4

Price is $5.00

Price: $5.49