Answer:18.75%Step-by-step explanation:To find the percentage increase, we can use the following formula:{Percentage Increase} = increase in Price / Original Price} ×100- **Increase in price** = 1,200 pesos- **New price** = 7,600 pesos- **Original price** = New price - Increase in price = 7,600 - 1,200 = 6,400 pesosNow, applying the formula:{Percentage Increase} = (1,200) ÷ (6,400} = 0.1875 × 100 = 18.75%So, the percentage increase in the price of the TV set is 18.75%pa brainly