Sunland Auto has developed the following production plan for its new auto part.

$\backslash$table$[[,$January,February,March,April$],[$Budgeted production $($units$),12,000,9,000,13,000,15,000]]$

Each unit contains $4$ pounds of raw material. The desired raw materials ending inventory is $40\%$ of the next month's production needs, plus an additional $100$ pounds. December's ending inventory meets this requirement.

Prepare the direct materials purchases budget for the first three months of the coming year.