. How much money must Ms. Girard have on deposit today at the Downers Grove Community Bank if she wants to be able to withdraw $4,200 at the beginning of each year forever and she can earn a 5.6% average annual rate of return on her account's balance? [Question 4 that follows involves a perpetuity, or stream of unending payments, that will occur at the beginning of each semiannual period.] OA. $75,000.00 OB. $4,435.20 O C. $23,520.00 OD. $79,200.00 O E. $3,977.27