The total charge for credit shows the total charge for credit over 2, 3 or 5 years depending upon what you wish to see.
This is calculated by multiplying the initial rate monthly payment x initial rate period, then adding the (subsequent monthly rate x the rest of the term) and adding the fees (fees being lender fee, booking fee, and valuation). This figure is divided by the term required and then dependent upon which period you wish to see divided by 2, 3 or 5 years.
The calculation does not include the exit fee or the telegraphic transfer fees.