How much more will Tasha have in her TFSA if she invests the $100 per month starting at age 25 compared to starting at age 35? To reach a goal of $73 566, what is the total amount of contributions necessary if Tasha were to begin investing at age 45? If Tasha begins her contributions at age 45, how much interest will be earned on the contributions if her contributions are $100 per month? her contributions are $250 per month? Assume Tasha's salary is per year. Calculate the percentage of her monthly salary that would go toward her retirement plan goal of if she began investing $150 monthly at age 35? if she began investing $250 monthly at age 45?