A rectangular piece of land measures $$700\ \text{m}$$ by $$500\ \text{m}$$. It is to be fenced with 4 rounds of wire. The length of the wire needed is

A

$$9600\ \text{m}$$

B

$$8600\ \text{m}$$

C

$$7200\ \text{m}$$

D

$$4800\ \text{m}$$