Sage 300

I receipted my purchase order and posted it in Sage 300 but I did not put the correct amount down and hence I cannot Invoice it. Is there a way for me to edit or delete the the receipt for the purchase order. Please help me ASAP. Thank you.

Is it possible to have a payroll code that will allow me to enter a 'day rate' i.e. $160.00 per day but also keep track of insurable hours? So on the timecard, I want to enter 5 days work, it will come up with the day rate of $160.00 and multiply it by…