Department A and Department B are each considering renting a copy machine for work needed during the month. Department A needs the machine 100 hours, and Department B needs the machine 400 hours. Normally, the machine rental is $50/hour. If A and B rent together, the hourly rate becomes $45/hour. Using the stand-alone method, how much of the cost is allocated to A? Use only numbers to answer (no commas or $ signs). You may use decimals