Hartley Psychiatric, Inc. needs to purchase office equipment for its 2,000 drive-in therapy centers nationwide. The total cost of the equipment is $2,000,000. It is estimated that the after-tax cash inflows from the project will be $210,000 annually forever. Hartley has a debt-to-value ratio of 60%. The firm's cost of equity is 13% and its pre-tax cost of debt is 8%. The tax rate is 34%. What is Hartley's weighted average cost of capital (WACC)?