In last year's financial statements Driver Enterprises reported 7 years of future lease obligations averaging $200 per year. In its current financial statements the company again reported 7 years of future lease obligations averaging $200 per year. Last year the firm's cost of debt was 4% and this year it is 5%. By how much did the balance sheet value of the lease obligations change due to the increase in interest rates? If your answer is negative, please include a negative sign in your answer.