Calculate the amount of commission a salesperson will receive if they earn $5%$5% on sales and the amount they sold was $£8000$£8000.

Calculate the amount of commission a salesperson will receive if they earn $10%$10% on sales and the amount they sold was $£1000$£1000.

Calculate the amount of commission a salesperson will receive if they earn $10%$10% on sales and the amount they sold was $£460$£460.

Calculate the amount of commission a salesperson will receive if they earn $25%$25% on sales and the amount they sold was $£560$£560.