Also, $200 of labour costs were incurred in calibrating (adjusting) the machine so that it would be at the right height on the ice. These adjustments were normal and were not a result of the damage. Special insurance was needed for the new ice cleaning machine, which will cost $200 per month for the next year. Prepare a calculation to show the cost of this machine for accounting purposes. (Negative answer should be indicated by a minus sign.) Invoice cost Freight costs Steel mounting Labour costs for calibration Repairs cost $ 17,000 340 875 200 70 Less discount (340) Total acquisition costs $ 18,345