Inconsistent account selection on sale of fixed asset

On experimenting with a test business in Manager 20.5.26, I agree Fixed asset in Manager do appear to behave like a work in progress

Current behavior

Entry method Positive amount Negative amount
Purchase invoice Increase Acquisition cost Increase Consideration received
Payment Increase Acquisition cost Increase Consideration received
Sales invoice Asset accounts not available Asset accounts not available
Receipt Increase Consideration received Increase Acquisition cost

In my opinion ideal behavior

Entry method Positive amount Negative amount
Purchase invoice Increase Acquisition cost Decrease Acquisition cost
Payment Increase Acquisition cost Decrease Acquisition cost
Sales invoice Increase Consideration received Decrease Consideration received
Receipt Increase Consideration received Decrease Consideration received

Note supporting negative value adjustments is useful to correct errors and adjustments such as