单选题
An analyst does research about compounding rate of return. An investor makes the following beginning-of-quarter deposit into an account with an initial balance of $0.
| Quarter | Amount |
| 1 | $25000 |
| 2 | $15000 |
| 3 | $10000 |
| 4 | $5000 |
If the account earns a stated rate of return 8% per year compounded quarterly, the value of this account at the end of Quarter 4 is closest to:
A. $57336
B. $58483
C. $69972