Zhang Industries budgets production of 300 units in June and 310 units in July. Each finished unit requires 5 pounds (tbs) of raw material K, which costs $6 per pound. Each month's ending inventory of raw materials should be 30% of the following month's budgeted production. The June 1 rew materials inventory has 450 pounds of row material K. Compute the budgeted purchases for raw material K in pounds for June