draw-string back bag,  fabric hand-dyed with logwood.

The price of each product, the exchange value, is calculated by the average hourly rate of all hitherto hourly rates that Yuchen has earned, multiplied by how many hours she has spent on this product, in addition to the cost of the raw materials.

$47.75/h x 2.3h + $10 = $103.73

photo by Lane Lang