Use the dynamic exhibit to answer the following questions. 1. when the ending balance in materials inventory is $40,000, the cost of goods manufactured is $ 285,000 and net income is $ 48,500 . 2. when the ending balance in materials inventory is $35,000, the cost of goods manufactured is $ 284,000 and net income is $ 49,500 . 3. when the ending balance in materials inventory is $30,000, the cost of goods sold is $ and net income is $ . 4. when the ending balance in materials inventory is $32,500, the cost of goods sold is $ and net income is $ 18,500 .