The principal portion of the 20th payment of Ron an amortized loan is $340.95 and the principal portion of the 21st payment of R is $348.11. If there are 55 payments in total, what is R? A loan of $100,000 is to be amortized with equal quarterly payments over a period of 6 years at j4 = 10%. The outstanding balance of the loan after 4 years is $40,090.26. At this time, the company makes an additional lump sum payment of $5000 and refinances the loan at new loan rate j4 = 8%, without penalty. What is the new quarterly payment, assuming the loan is still paid back in full after 6 years