5-34. The required investment cost of a new, large shopping center is $50 million. The salvage value of the project is estimated to be $20 million (the value of the land). The project’s life is 15 years and the annual operating expenses are estimated to be $15 million. The MARR for such projects is 20% per year. What must the minimum annual revenue be to make the shopping center a worthwhile venture? (5.5)