A very joyous band of cows reproduces at a rate of 30% per year. Curiously, however, 20% of the cow population per year spontaneously turn into rhinoceroses. The rhinoceroses also reproduce at 30% per year. 20% of the rhinoceroses per year run off to join the circus. Aliens with bad aim beam up 6 rhinoceroses per year. (a) Write down a system C and R, reflecting the facts above. Note the system is non-homogeneous. (b) Find and classify the equilibrium of the system.