You should always accept projects which have a NPV of?

a) Greater than or equal to 0 b) Less than 0 c) Greater than or equal to 1

Strip Mining Inc. can develop a new mine at an initial cost of $5 million. The mine will provide a cash flow of $30 million in year 1. The land then must be reclaimed at a cost of $28 million in the second year. At which of the following cost of capital's should the company develop the mine?

a) 10%. b) 25%. c) 400% d) 5%.