Answer:4.69%Step-by-step explanation:To calculate the commission rate of a sales agent who received 5,800 after selling an appliance for a total amount of 123,800, we can use the formula:Commission rate = (Commission / Total Sale Price) x 100Plugging the values in the formula, we get:Commission rate = (5,800 / 123,800) x 100 = 4.69%Therefore, the commission rate of the sales agent is 4.69%.