DQuestion 4 6 pts (TCO C) When the activity level is expected to increase within the relevant range, what effects would be anticipated with respect to each of the following? O Fixed costs per unit decrease and variable costs per unit do not change. O Fixed costs per unit increase and variable costs per unit do not change O Fixed costs per unit do not change and variable costs per unit do not change. O Fixed costs per unit do not change and variable costs per unit increase