Present price of a machine is Rs 2P and if price of the machine decrease by 2r% in each year, the price of machine after 2n years will be.

Options

A. `Rs P(1-r/100)^n`
B. `Rs 2P(1-r/50)^n`
C. `Rs P(1-r/50)^(2n)`
D. `Rs 2P(1-r/50)^(2n)`