Betty DeRose is going to deposit $4,000 into a bank account at the beginning of every six months for the next 4 years. Assume the bank account will earn 20% interest compounded semi-annually. Calculate the amount of interest Betty will earn over the four-year period. You will need to use the time value of money table factors posted in carmen to answer this question. To access these factors, click modules and then scroll to week 10. click on the link labeled present & future value table factors. No credit will be awarded for this question using a means other than these posted table factors to answer this