A person finds the computer she needs on sale for $900. She can pay for the computer using her credit card and pay the amount borrowed over the course of many months; or, she can take advantage of thestore's offer for her to pay for the computer within 30 days, which will be the same as buying the computer for cash. She knows that she will receive her $1,200 salary bonus in her next paycheck. As a financially savy consumer, she should

Quick calculate the roi dollar amount and percentage for these example investments. a. you invest $50 in a government bond that says you can redeem it a year later for $55. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage. b. you invest $200 in stocks and sell them one year later for $230. use the instructions in lesson 3 to calculate the roi dollar amount and percentage. (3.0 points) tip: subtract the initial investment from the total return to get the roi dollar amount. then divide the roi dollar amount by the initial investment, and multiply that number by 100 to get the percentage.