During the risk assessment, you have identified the following hazards and assessed their risks using a risk matrix. Which of these hazards should be prioritised and addressed first? a) A broken light in the carpark - major impact as a tripping hazard, unlikely to happen b) Electrical cords on the ground - major impact as a tripping hazard, likely to happen c) Boxes in the hallway - minor impact as tripping hazard, unlikely to happen d) Exposed electrical wires - major impact of fire or electrical shock , highly likely to happen