Wilco Inc. produces a product that has 3 different costs (Cost 1, Cost 2, and Cost 3) which are listed below. The per unit costs for these 2 are shown at different levels of activity. Based on the data in the chart above, identify each type of cost. Cost 1: Variable; Cost 2: Fixed; Cost 3: Fixed Cost 1: Variable; Cost 2: Fixed; Cost 3: Mixed (Semi-variable) Cost 1: Fixed; Cost 2: Variable; Cost 3: Mixed (Semi-variable) Cost 1: Fixed; Cost 2: Variable; Cost 3: Variable