Explanation:

Let the Selling Price (SP) be X. Cost Price (CP) = 96% of SP = 0.96X. Profit = SP - CP = X - 0.96X = 0.04X. Percentage Profit = (Profit / CP) * 100 = (0.04X / 0.96X) * 100 = (1/24) * 100 = 4.166...%. Rounding to two decimal places, the profit percentage is 4.17%.