Answer :
Number board feet of lumber = 54,530
Explanation :
As per the data given in the question,
Number board feet of lumber to buy in June = Number of units to be produced + Ending inventory required - Opening inventory needed
= (2,000 cases × 28 board feet of lumber per case) + (1,850 cases × 35% × 28 board feet to lumber per case) - (2,000 cases × 35% × 28 board feet of lumber per case)
=56,000 board feet + 18,130 board feet - 19,600 board feet
= 54,530 board feet of lumber
We simply applied the above formula