The annual percentage rate of charge referred to in regulation 6 above shall be rounded to one decimal place as follows-
(a) where the figure at the second decimal place is greater than or equal to 5, the figure at the first decimal place shall be increased by one and the decimal place (or places) following the first decimal place shall be disregarded; and
(b) where the figure at the second decimal place is less than 5, that decimal place and any decimal places following it shall be disregarded.