$5,000,000 per year for 5 years. Erecting 100 news towers would cost $18,000,000 (total) including the cost of equipment and installation, etc. Owning a tower has some additional associated maintenance costs, such as security, power and fueling, which amounts to $10,000 per annum per tower. The company's tax rate is 40% while its long-term weighted average cost of debt is 6%. The tax laws allow straight-line depreciation for 5 years. Determine whether the company should erect its own towers or lease them out