Each of the advertising content on our electronic billboards is sold in number of spots (10 seconds spot) at a rate of ($377.37) 1,500GHs per month. Clients can submit various and different types of contents to be displayed on the electronic video board which will be displayed in a loop together with various other contents. Usually, ads are displayed in 10 seconds to 1 minute a spot, depending on length requested by client. For example, a 10 seconds spot, displayed 360 times a day (1 hour “3600seconds”) on a board located in the main city, at ($0.04) 0.15 pesewas a spot, will cost ($13.59) 54GHs/day, and ($407.56) 1,620GHs/month or ("$377.37" i.e 1,500GHs with discount). If board is running 24 hours a day (usually 18 hours from 6:00 AM to 12:00 AM midnight) with at least five clients, this means you can earn at least ($1886.87)7,500GHs monthly with a realistic return of ($22,642.41) 90,000GHs yearly. If you deduct ($1006.33) 4,000GHs/month for expenses, this leaves you with a net profit of ($880.54) 3,500GHs/month or($10566.46) 42,000GHs yearly before taxes. Meaning that in worse cases, you can return your investment in less than one and a half year, and keep making money for 7years before a major overhaul is needed (changing the lamps after 50,000 hours).