seller sells a Play Station Portable (PSP) game-box, a gaming console that allows users to play video games individually or in multiplayer environment over the internet.

a) PSP game-box includes the physical PSP game-box module as well as a one-year subscription to Video Games Center of internet-based games and other applications.

b) The seller sells individual one-year subscription to Video Games Center for P500.

c) The seller sells individual PSP game-box modules for P7,500.

d) As a package deal, the seller sells PSP game-box (module plus subscription) for P8,000

On February 1, 2021, the seller delivers 200 PSP game-box to a customer at a price of P8,000 per system. The seller received P1,600,000 on February 25, 2021.

Determine the amount of revenue on February 1, 2021