There may be a discrepancy between the invoice amount you receive on a monthly basis and the monthly estimate presented in the cost calculator. This is because some percentage based employer contributions having a capped annual amount.
This can affect the monthly contribution breakdown for employees that earn a high gross salary. Here, Customers will have to pay a higher contribution amount per month than the monthly estimate shown on the cost calculator. Once the annual cap for this contribution is reached, Customers will no longer need to make contribution payments.