Within the relevant range of 50,000 to 400,000 units, the fixed costs are $150,000 and the variable costs are $1 per unit. What will the total costs be at an activity level of 275,000 units?Within the relevant range of 50,000 to 400,000 units, the fixed costs are $150,000 and the variable costs are $1 per unit. What will the total costs be at an activity level of 275,000 units?