Write javascript programs to compute the following:

1. the equity of a business that has $10,000 in total assets and total liabilities of $5000

2.the net income of a business that has $12,000 in revenue and $2000 in expenses.

3. the break even point for a indy videogame company with $700 in monthly fixed costs, and that sells a game on Steam for $10, with a variable cost of $3 (Steams take)

4. the cash ratio for a business that exactly $2000 in the bank, and whose total liabilities is $6000.