1. For the capitalist, the difference between labor and non-labor inputs is that

Labor comes only in human beings with a will of their own.

Labor's price is lower than the price of non-labor inputs.

Non-labor inputs can be utilized forever.

Labor's performance is entirely specified in a contract.

2.The unit labor cost is defined as:

The hourly wage divided by output per hour.

The hourly wage divided by the value of capital goods owned.

The hourly wage divided by the total number of units produced

The hourly wage divided by the total number of employees.