February 1^st, an individual invested all his savings of 1,000,000 MAD in the stock market.

In July, he was in need of money and liquidated all his investment to get 1,200,000 MAD.

1. Record the accounting transaction of this investment operation

2. Suppose now that he liquidated the investment at 950,000 MAD and record the accounting transaction.

3. Pinko Company purchased and installed a machine on February 1, 2014, at a total cost of $72,000. Straight-line depreciation was calculated based on the assumption of a five-year life and no residual value. The machine was disposed of on July 31, 2017. Assuming the machine was sold for $15,000.

   Prepare the general journal entry to record the disposal.