a man has $210,000 invested in three properties. one earns 12%, one 10% and one 8%. his annual income from the properties is $20,200 and the amount invested at 8% is twice that invested at 12%. (a) how much is invested in each property? 12% property $ 10% property $ 8% property $ (b) what is the annual income from each property? 12% property $ 10% property $ 8% property $