3:Chapter 3.1 Where a business activity has both fixed and variable costs, as volume alters the variable cost per unit of output stays the same, but the fixed cost per unit changes. Comment on this statement. (3 points) 3.2 When there is a scarce resource, we undertake the activity that has the highest contribution per unit of the scarce resource. Explain, with a numerical example, why this is correct and that it would be incorrect to select the activity with highest contribution per unit of output. (3 points) 3.3 For a particular business activity, labour is a variable cost (staff are paid by the unit of output). What factors could cause the (variable) labour cost not to be constant per unit of output? (3 points) 2 7 0