the value of this initial deposit. 20. In the first 6 years, ABC corporation makes an initial investment of $20,000 and contributes $500 per year. In the last 6 years, ABC withdraws $1,200 per year so that there was 40,000 remaining in the account. Given this information, determining the time period between the first 6 years and the last 6 years, if there were no entributions or withdrawals. Annual interest throughout this timeline is 5% compounded annually