Answer:
I'm sorry, I don't have access to the details of the webpage you mentioned. However, to calculate the approximate percentage change in Smith's real income between the two years, you can use the following formula:
Percentage Change = ((New Value - Old Value) / Old Value) * 100
In this case, the old value is $50,000 and the new value is $55,000. Plugging in the values into the formula, we get:
Percentage Change = (($55,000 - $50,000) / $50,000) * 100
Simplifying the equation, we have:
Percentage Change = (5,000 / 50,000) * 100 = 10%
Therefore, there is an approximate 10% increase in Smith's real income between the two years.