1) Aaron Corp's net income is $30,000. Compute the dollar amount of the investment if the return on investment is 30%. 2) Zenith Corporation's net income is $82,000. Compute the return on investment if the amount of the investment is $510,000. 3) The Cybertronics Corporation reported the following information for its Cyclotron Division: Revenues $2,500,000 Operating costs 1,200,000 Operating assets 1,300,000 Income is defined as operating income. Compute the Cyclotron Division's investment turnover ratio.