places for the poriodic interest rate in your calculations. a. How much has Nick accumulated in Bis retirement account? batance in the fund? a. The amount Nick has accurulated in his returement account is 5 (Round to the nearust cent) b. The amount the $20,000 inhentarce check has accumulaled to over 15 years is 5 (Prourd in the nearest cent) The curront balance in Nick's refirement Kond is $ (Round to the nearest cent)