When placing an order on the front end for a customer in a B2B group, the sale prices does not show for their tier (group) price in the cart. It shows on the product page, but the price in the cart is not the same, sometimes it is completely different and don't know where it comes from.
Also:
When adding a product from the backend to an order (i.e. admin creates an order) the pricing will not show the sale price, but shows the tier regular price or something completely different.