What would be the answer?

A cellphone shop is selling one of its unit at a regular price which is manufacturer's price plus 75% commission. During their sale, that unit's discounted price is at manufacturer's price + 15% commission. If the unit's price on sale is P2,990.00, how much is the unit's regular price?

A. P1,950.00
B. P2,242.50
C. P3,867.50
D. P4,550.00
E. None of these