Material X can be processed into three different p...

Material X can be processed into three different products in the same process. One of the products is CC. Each year, 1000 kg of CC can be produced. CC can be sold immediately and can also be furthere processed into DD. $30 will be incurred for processing every Kg of CC into DD, and the input of 1kg of CC can become 0.6kg of DD. Currently, the company can only process 80% of its CC into DD. If the company spend $24,000 to buy an additional machine, all the CC can be further processed into DD. The selling price for CC and DD are respectively $175/kg and $280/kg. option 1: sell CC immediately. Option 2: process 80% of CC into DD option 3: process 100% of CC into DD Which option to take？