Zhang Industries budgets production of 300 units in June and 310 units in July. Each finished unit requires 4 pounds (lbs.) of raw material K, which costs $5 per pound. Each month's ending inventory of raw materials should be 35% of the following month's budgeted production. The June 1 raw materials inventory has 420 pounds of raw material K. Compute budgeted purchases for raw material K in pounds for June