The difference of simple interest from two banks on ₹8,000 in 3 years is ₹800. If the rate of interest per annum in two banks are R1 and R2, then what is the value of R1 -R2? (Where R1 > R2)

A

$$5\frac{1}{3}\%$$

B

$$3\frac{1}{3}\%$$

C

$$1\frac{1}{3}\%$$

D

$$2\frac{1}{3}\%$$