Discount1. Calculate the total cost of two cellphones at the original priceOriginal price per cellphone: ₱9,999.00Total original cost for two cellphones: ₱9,999.00 x 2 = ₱19,998.002. Calculate the total discountTotal original cost: ₱19,998.00Price for two cellphones with the discount: ₱8,999.00Total discount: ₱19,998.00 - ₱8,999.00 = ₱10,999.003. Calculate the discount rate (as a percentage)Discount rate = (Total discount/Original total cost) x 100Discount rate = (₱10,999.00/₱19,998.00) x 100Discount rate ≈ 55.00%Final answer:Therefore, the discount rate is approximately 55.00%.