can I get help with 4-7 please

2 Draw a plot with the number of periods in the horizontal axis and the effective annual interest rate in the vertical axis for all cases (a through e ) in question 1 3 What conclusion(s) can be highlighted from the plot in question 2 4 What investment option will be the most convenient (Explain your answer). a) 10% annual interest rato compounded semiannually for one year b) 9.8% annual interest rate compounded monthly for one year 5 Calculate the future value of the following investments (show calculations) a) $1000 invested at an annual interest rate of 15% for two years. b) $1000 invested at an annual interest rate of 15\% for five years. 6 What is the net present value of a $50,000 investment that produces the cashflow below at an annual interest rate of 8%. Show individual calculations for year 1 and for year 2 . \begin{tabular}{lcccc} Time (years) & 0 & 1 & 2 \\ Net cashflow during period ( $) & $(50,000.00) & $9,000,00 & $11,000.00 \\ \hline \end{tabular} 7 What conclusion(s) can be drawn from the net present value of question 6 ? Is the investment feasible? why? Reflective questions