The proportional ex - manufacturer price for a pack quantity (other than the pricing quantity) of a listed brand of a pharmaceutical item on a day is the amount worked out as follows:
where:
"AEMP" means the approved ex - manufacturer price of the brand of the pharmaceutical item in force on that day.
"PkQ" means the pack quantity of the brand of the pharmaceutical item on that day.
"PQ" means the pricing quantity of the brand of the pharmaceutical item on that day.