Receipt Total - Select all OR Cursor at end

Small simple feature alteration.

Many receipts in my area have suggested gratuity amounts, so the total grabs the final amount with the highest added gratuity instead of the official total.

It would be great if, when I tap the Total to change it, the entire amount would be auto selected so that I can immediately enter the correct amount.

OR, at the least have the cursor appear at the end of the amount instead of the front. But full select for replacement would be optimal.

Thank you! 💚