Problem: Let's say that you have a defined-contribution pension plan. Recall that your plan can consist of different financial instruments. You will at some point have all 3 of the below allocations. Rank when in your working life and why it would be best to have the following portfolio allocations: (a) 100% bonds and money-market instruments, (b) 100% stocks, (c) 50% bonds and 50% stocks? (first part, middle, or last)