A man has $235,000 invested in three properties. One earns 12%, one 10% and one 8%. His annual income from the properties is $22,500 and the amount invested at 8% is twice that inves 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 $