Service Orders with prepayments

When you enter a service order for a taxable customer, and then place a prepayment in full on the service order.  When you create the invoice, it will show a balance due equal to the amount of the tax.  If you click on the applications tab from the invoice, you will notice that the amount paid is less then tax amount, and balance due is the tax amount.  This just started to happen when customer upgraded to 2020R2