Answer:
b.30000
Step-by-step explanation:
The moving average follows the trend of data to forecast the next value.
the formula applicable in moving average is = (n1 + n2 + n3 + ...) / n
For George, the moving average will be
=$30,000 + $35,000 +$25,000 + $30,000/4
=$120,000/4
=$30,000