Based on the following, what is the present value of a lump sum of $520 received in 7 years, at a discount rate of 2%? (Two decimal places.) Present and Future Value Tables Period 1.0% 1.5% 2.0% 10.9900990.9852220.980392 20.9802960.9706620.961169 30.9705900.9563170.942322 40.9609800.9421840.923845 50.9514660.9282600.905731 60.9420450.9145420.887971 70.9327180.9010270.870560 80.9234830.8877110.853490 90.9143400.8745920.836755 100.9052870.8616670.820348