Answer:
The average difference in income and expenses each month is -150,
It shows every month the expenses is $ 150 more than income.
Step-by-step explanation:
Given formula of average difference between his income and expenses each month,
( Suppose A )
Where,
I = total income,
E = total expenses,
We have, I = $ 52,000, E = $ 53,800,
Thus, by substituting the values,
The average difference in income and expenses each month,

Negative sign shows that the expenses exceed the income every month.