https://ebay.com/itm/153740836401
Volume discount 30% on 3pcs.
3.25*.30 = 2.275.
This is displayed as 2.28 in the web page, rounded up as expected.
3pcs should be 6.84
The discount in the cart is 0.975 per piece, rounded at the item level and then combined, to get .98*3 = 2.94
The resulting price is 9.75 - 2.94 = 6.81
This is 2.27 per piece.
