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1. After 20 years (it was repeated several times), Gammas Annual Equivalent Worth (AEW) (rounded to the nearest $100) is

a) $12,800; b) $12,900; c) $13,600; d) $14,300.

2. The incremental External Rate of Return (ERR) between Beta and Gamma (second decimal; no rounding) is

a) 10.02%; b) 10.19%; c) 10.58%; d) 11.13%.

3.The incremental B/C ratio ((second decimal; no rounding) between Alpha and Beta is

a) 0.88; b) 1.01; c) 1.06; d) 1.08.

4. The incremental B/C ratio (second decimal; no rounding) between Beta and Gamma is

a) 0.56; b) 0.78; c) 1.04; d) 1.08

The owner of a seniors' residence is planning the purchase an electrical generator to minimize the discomfort due to electrical power outages. The key parameters of the three advertising campaigns are provided below Alpha 600,000 Gamma 800,000 Project Parameters Beta 700,000 600,000 at EOY1770,000 at EOY1900,000 at EOY1 decreasing by 2% | increasing by increasing by 1% 5,000 annually thereafter. 400,000 at EOY1 572,000 at EOY1640,000 at EOY1 increasing by 1% annually thereafter. 1. Initial Cost () 2. Revenues ($) annually thereafter. annually thereafter. increasing by 4,000 annually thereafter. increasing by 40,000 annually thereafter. 3. Operating Costs 4. End-of-life salvage 5. Useful life (vears 10,000 10 15,000 value (S$ 5 5 Industry Standard = 4 years MARR 10% The owner of a seniors' residence is planning the purchase an electrical generator to minimize the discomfort due to electrical power outages. The key parameters of the three advertising campaigns are provided below Alpha 600,000 Gamma 800,000 Project Parameters Beta 700,000 600,000 at EOY1770,000 at EOY1900,000 at EOY1 decreasing by 2% | increasing by increasing by 1% 5,000 annually thereafter. 400,000 at EOY1 572,000 at EOY1640,000 at EOY1 increasing by 1% annually thereafter. 1. Initial Cost () 2. Revenues ($) annually thereafter. annually thereafter. increasing by 4,000 annually thereafter. increasing by 40,000 annually thereafter. 3. Operating Costs 4. End-of-life salvage 5. Useful life (vears 10,000 10 15,000 value (S$ 5 5 Industry Standard = 4 years MARR 10%