A relocation of a short stretch of rural highway feeding into Route 390 northwest of Dallas is to be made to accommodate new gro
wth. The existing road is now unsafe, and improving it is not an alternative. Alternate new route locations are designated as East and West. The initial investment by government highway agencies will be $3, 950,000 for East and $5, 500,000 for West. Annual highway maintenance costs will be $120,000 for East and 590,000 for the shorter location West. Relevant annual road user costs, considering vehicle operation, time end route, fuel, safety, mileage, and so on, are estimated as $880,000 for East and only $690,000 for West. Assume a 20 year service life and i = 7 %. C
1. What is the present worth of the benefits and costs of route West over route East? PW benefits of route West over route East: $ PW costs of route West over route East: $ Carry all interim calculations to 5 decimal places and then round your Final answer to the nearest dollar. The tolerance is plusminus 50. Using incremental D/C ratio analysis, which alternative should be selected?
2. Compute the appropriate B/C ratio(s) and decide whether East or West should be constructed.
1. What is the present worth of the benefits and costs of route West over route East? PW benefits of route West over route East: $ PW costs of route West over route East: $ Carry all interim calculations to 5 decimal places and then round your Final answer to the nearest dollar. The tolerance is plusminus 50. Using incremental D/C ratio analysis, which alternative should be selected?
2. Compute the appropriate B/C ratio(s) and decide whether East or West should be constructed.
1 answer:
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Answer:
a) Gold = $1,380; Silver = $1,020
b) Gold = $1,300; Silver = $980
Explanation:
a) At first, with Qg = 60 and Qs = 270, the equilibrium prices for gold and silver are found by solving the following linear system:
Equilibrium price of gold is $1,380 and the price of silver is $1,020.
b) If the supply of gold increases to 120, since the goods are substitutes, there will be an increase in overall supply and the equilibrium price of gold and silver will decrease as follows:
Equilibrium price of gold is $1,300 and the price of silver is $980.