Answer:
$152.50
Explanation:
Moths savings
Sep $145.00
Oct $166.00
Nov $204.00
Dec $180.00
Jan $70.00
Feb $150.00
Now we are supposed to find hat did Harry save per month on average
So, Mean =

Mean =

Mean =

Mean =

So, Option A is correct.
Hence Harry saved $152.50 per month.