12. Recalculate question 11 with the following modifications:

Project A: Add a residual value of $100,000 in year 10.

Project B: Add a residual value of $60,000 in year 10.

Project C: Move the residual value from the ninth year to the tenth year.

a. At a 16% cost of capital and using an appropriate decision-making technique, recommend which project should be selected. How much better is the chosen alternative over the worst alternative?

b. If a new lower cost of capital equal to 11% is used, what decision do you reach?

I need an answer You MUST use the TI BA II calculator features (N, I/Y, PV, PMT, FV, AMORT) to solve questions whenever possible.