Sorry, I missed that the column in the eCart object was named "ChargeType1". the calculations should be:
truePrice
[Price] + (abs([ChargeType1] == 'INJ')?3.89:0) + (abs([ChargeType1] == 'DISP')?7:0)
TotalPrice
([Price] + (abs([ChargeType1] == 'INJ')?3.89:0) + (abs([ChargeType1] == 'DISP')?7:0)) * [Quantity]
"Also, the Price Display, is that the "TotalPrice""
In the cart display, there will be a row to show the item price, and a row to show the total for that line item.
The item price in the cart display will need to use the truePrice binding.