Jenny is the manager on a construction site. She notices that when she hires one bricklayer, the bricklayer is able to lay 100 bricks per day. When she hires two bricklayers, they are able to lay 250 bricks per day (in total). When she hires three bricklayers, they are able to lay 300 bricks per day (in total). Which of the following statements is incorrect? O the average variable cost curve is U-shaped O the marginal product of labour is always decreasing at Jenny's site O the marginal product of labour from hiring the second worker is 150 bricks O the marginal product of labour from hiring the first worker is 100 bricks Question 9 1 pts Diminishing marginal product of labour is NOT likely to be observed when: O new workers have to use the oldest technology in a plant O there are shortages of skilled workers in the forestry sector O there are enough personal computers to allocate them to new staff in an office O experienced workers in labour teams will not share their skills with others