The following budgeted information is provided: Month 1 2 3 Sales in units 35,000 40,000 38,000 Production in units 36,000 42,000 35,000 One pound of materials is required for each finished unit. The inventory of materials at the end of each month should equal 25% of the following month's production needs. At the beginning of Month 1, there were 9,000 lbs. of materials on hand. Purchases of raw materials for Month 1 would be (in pounds):