Fair Good Better Best PW of costs, $ 10,000 8,000 20,000 14,000 PW of benefits, S 15,000 11,000 25,000 42,000 PW of disbenefits, $ 6,000 1,000 20,000 31,000 PW of cost savings, $ 1,500 2,000 16,000 3,000
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
A consulting engineer is currently evaluating 4 projects for the U.S. government. The present worth values of the costs, benefits, disbenefits, and
savings are shown. Assuming the discount rate is 10% per year compounded continuously, determine which projects, if any, should be selected if they are
(a) independent, and (b) mutually exclusive.
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