caculate and explain

Part 3. CASE STUDY (70 points) 1. (30 points) A public decision-maker has a budget of $100 which must be spent in the current year. Three projects are proposed, each of which is indivisible (it is not possible to undertake less than the whole project) and non-reproducible (it is not possible to construct two versions of the same project). The discorm rate is 10% per annum. The project benefits and costs are summarized in the following Table: (i) Work out tne ivetriva... indertaken to spend the ouuger swan. f the reinvestment (ii) Which projects should be