NEED HELP ASAP PLS.I HAVE LIMITED TIME

Answer:
Step-by-step explanation:
Starting at year 5, the values of the house are as follows:
5: 11040.81
6: 11261.62
7: 11486.86
8: 11716.59
9: 11950.93
10: 12189.94
The average of the differences is:
(220.81+225.24+229.73+234.34+239.01)=1149.13
1149.13/5=229.3