An investment pays $10 000 in five years.

(a) If inflation is 10 percent per year, what is the real value of the $10 000 in todays dollars?

(b) If inflation is 10 percent and the real MARR is 10 percent, what is the present worth?

(c) What current dollar MARR is equivalent to a 10 percent real MARR when inflation is 10 percent?

(d) Compute the present worth using the current dollar MARR from part (c).