Is there a fix to correct the time entry (HH:MM) Quantity format error when the customer invoice is created? I enter time in Decimal format but it appears HH:MM on the final invoice.

This causes the customer to see an invoice to where the Quantity (HH:MM format) multiplied by the Rate (per hour in Decimal format) does not equal the Amount. For example, QTY (0:24) next to Rate (50.00) equals Amount (20.00). 

It appears that the invoice has errors and is unprofessional. This error makes the invoicing and time entry function unusable. How should this error be corrected on my end?