Negative point for product purchased

-- HikaShop version -- : 2.6.0
-- Joomla version -- : 3.4.5
-- PHP version -- : 5.4.43

Hi
just some quick though flash over our mind and would like to confirm with you all

Is it possible to assign negative point to product so when customer purchase the item it receive negative point (deduction of point)?

For both AUP and HKP