A and B entered into a partnership business with an investment of Rs.5000 and Rs.8000 respectively. After 1 year, A invested Rs.(x + 1000) more and B invested Rs.2x more. At the end of 2 years, the ratio of the profit shares of A and B is 2: 3 respectively. Find the value of x.
A2000
B1500
C1000
D2500