You are saving to buy a car which in 2022 costs $30,000. You intend to make 36 equal consecutive payments to an account starting one month from now. The interest rate is .5% per month, compounded monthly. If the inflation rate is 4% per year compounded annually, how much in actual dollars should the periodic payments be.

The cost of constructing a roundabout (R/A) in a low-traffic residential neighborhood 5 years ago was $625,000. A civil engineer designing another R/A that is almost the same design estimates the cost today will be $740,000. If the cost had increased only by the inflation rate over the 5 years, determine the inflation rate per year.

An offshore services company is considering the purchase of equipment that has a cost today of $96,000. Inflation is a concern. The manufacturer plans to raise the price exactly in accordance with the inflation rate that may be somewhere between 1% and 8% per year. Develop a graph of how much the equipment will cost 3 years from now in terms of both (a) CV, and (b) future dollars.

Before last year, Ellie (Luke's wife) taught music and earned $30,400. She also earned $9,600 by renting out their basement as a studio apartment. Ellie saves every month. At the end of a typical year she would have saved a total of 10% from her wages and the income earned from the basement for the entire year, and earned a total of 0.5% in interest (for the entire year). At the beginning of last year, Ellie stopped teaching music. She also stopped renting out their basement, and began to use it as the office for her new web design business. The balance on her savings account was $150,000, and she took $5,000 from this account to buy a new laptop computer and a new printer (which also functions as a scanner and a facsimile). She also borrowed $12,000 from the local bank to purchase additional machinery and equipment (a graphics tablet, desktop computer, studio camera and an external hard drive). Her loan payment is $250 per month. During last year, she paid $3,000 for the lease of a…