LO.3 Helpers, Inc., a qualifying $ 501(c)(3) organization, incurs lobbying expenditures of $250,000 for the taxable year and grass roots expenditures of $0. Exempt purpose expenditures for the taxable year are $1,200,000. Helpers elects to make lobbying expenditures on a limited basis. a. What amount of lobbying expenditures is Helpers allowed to make tax-free under the terms of the election? b. What is its tax liability as a result of the election? c. Express your answer to part (b) as a Microsoft Excel formula