Sandra wants to deposit $100 each year for her son. If she places it in an investment account that averages a 5% annual return, what amount will be in the account in twenty years? How much will she have if the account earns 8% a year?

Creation landscaping has 1,000 bonds outstanding that are selling for $1,280 each. the company also has 2,000 shares of preferred stock outstanding, currently priced at $27.20 a share. the common stock is priced at $37.00 a share and there are 28,000 shares outstanding. what is the weight of the debt as it relates to the firm's weighted average cost of capital?