Question 5 - Ch2: Industrial Waves Corporation produces equipment for surfing. The company's activity level was 10,000 units. At this level, the company concluded that the sum of variable costs equals $400,000 while $200,000 is the total fixed costs. Required: At the activity level of 15,000 units, and assuming that this level is within the appropriate range of costs. Calculate the following: 1. Variable cost per unit 2. Total variable costs. 3. Fixed cost per unit 4. Total costs