Zahir, after joining to a new job, received a 10% Raise each year for 4 consecutive years. If his salary after the 4th raise is Tk. 4,392.30, what was his starting salary?
A
Tk. 3,150
B
Tk. 3,200
C
Tk. 3, 280
D
Tk. 3,000
Correct Answer: Tk. 3,000