There are some of the vague question below. You are an export for the questions. Could you please help me to convert them to almost understanding questions, add a number as you need, and give me the solution?

Q1: WASCO: simple. 400k share, 3:1 stock split, 7/1 convertible Common stock 600k

Q2: FIFO: purchase 300 units@ $4, 400 u..s@4.5, on hand 200 unit, ask for EI. lower of cost or NRV?

Q3: Equity Method what amount should include in Income Statement?