Explain Disadvantage of product
differentiation

Sam robinson borrowed $21,000 from a friend and promised to pay the loan in 10 equal annual installments beginning one year from the date of the loan. sam’s friend would like to be reimbursed for the time value of money at a 9% annual rate. what is the annual payment sam must make to pay back his friend?

A) plot the m1 and m2 money stock in the us from 1990-2015. (hint: you may use the data tools provided by fred.) (b) plot the nominal interest rate from 1960 to 2014. (hint: you can either use the daily interest rates for selected u.s. treasury, private money market and capital market instruments from or the effective federal funds rate fromfred.) (c) the consumer price index (cpi) is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. intuitively, the cpi represents the cost of living or the average price level. plot the cpi from 1960 to 2013.(d) the inflation rate is the yearly percentage change in the average price level. in practice, we usually use the percentage change in the cpi to compute the inflation rate. plot the inflation rate from 1960 to 2013.(e) explain the difference between the ex-ante and ex-post real interest rate. use the fisher equation to compute the ex-post real interest rate. plot the nominal interest rate and the ex-post real interest rate from 1960 to 2013 in the same graph.

Which of the following is an example of an unsought good? a. cameron purchases a new bike. b. jordan buys paper towels. c. taylor buys cupcakes from her favorite bakery. d. riley buys new windshield wipers for her car.