1. Boulevard Company's average cost per unit is $1.425 at the 16,000-unit level of activity and $1.38 at the 20,000-unit level of activity. Note: you need to calculate a total cost Assume that all of the activity levels mentioned in this problem are within the relevant range. Required: Predict the following items for Boulevard Company: a) Variable cost per unit. (2 marks) b) Total fixed cost per period. (2 marks) I c) Total expected costs at the 18,000-unit level of activity. (2 marks)