Complete each statement with either increase, decrease or stay the same as appropriate to describe the cost behavior:

1. In general, as the number of units of production increase, variable cost per unit will ______________________. 2. In general, as the number of units of production increase, total variable cost will ______________________. 3. In general, as the number of units of production increase, fixed cost per unit will ______________________. 4. In general, as the number of units of production increase, total fixed cost will