retex expects to have a free cash flow in the coming year of 5$ million, and its free cash flow is expected to grow at a rate of 2% per year after that. Its equity and debt costs of capital are 9% and 5% respectively. retex also enjoys a corporate tax rate of 25%. the gearing (debt to equity ratio) is currently at 0.70. If the company maintains is gearing constant, what is the value of its interest tax shield