Zhang Industries budgets production of 300 units in June and 310 units in July. Each finished unit requires 4 pounds of raw material K, which costs $5 per pound. Each month's ending inventory of raw materials should be 30% of the following month's budgeted production. The June 1 raw materials inventory has 360 pounds of raw material K. Compute budgeted purchases for raw material K for June.

880 lbs

1,200 lbs

1,220 lbs

1,240 lbs

1,212 lbs.

explain please