new young people are born.

• Each year, all of the young who survive become old, all of the old who survive become very old, and all of the very old die. A percentage of the young and old die rather than transition to the next state (see Table 19.4).

In answering the following questions, itmay be helpful to use spreadsheet software.
a Are your political opponents right in claiming that Medisure’s trust fund will go bankrupt? If so, in what year? Assume for these exercises that the trust fund has §1 million as of January 1, 2020.
b As if things were not already bad enough, your scientists have come up with a breakthrough medical technology that will decrease death rates without affecting per-person medical costs for the elderly. The new death rates are shown in Table 19.5. Will the Medisure trust fund ever go bankrupt now? If so, when?