A chemical engineer is on contract working in a relatively high-inflation country in Central America. She wishes to calculate a project's present worth with estimated costs of $50,000 now and $6000 per year for 5 year beginning one year from now. Use a real interest rate of 12% per year to make the calculations, a. without an adjustment for inflation (10 points) and b. considering inflation at a rate of 10% per year. (10 points)