For the following problems consider the following three firms:
-XYZ mines copper, with fixed costs of $0.50/lb and variable cost of $0.40/lb.
-Wicro produces wire. It buys copper and manufactures wire. One pound of copper can be used to produce one unit of wire, which sells for the price of copper plus $5. Fixed cost per unit is $3 and noncopper variable cost is $1.50.
-Telco installs telecommunications equipment and uses copper wire from Wicro as an input. For planning purpose, Telco assigns a fixed revenue of $6.20 for each unit of wire it uses.
The 1-year forward price of copper is $1/lb. The 1-year continuously compounded interest rate is 6%. One-year option prices for copper are shown in the table below.
Strike Call Put
0.9500 $0.0649 $0.0178
0.9750 0.0500 0.0265
1.0000 0.0376 0.0376
1.0250 0.0274 0.0509
1.0340 0.0243 0.0563
1.0500 0.0194 0.0665
In your answer, at a minimum consider copper prices in 1 year of $0.80, $0.90, $1.00, $1.10, and $1.20.
1) If XYZ does nothing to manage copper price risk, what is its profit 1 year from now, per pound of copper? If on the other hand XYZ sells forward its expected copper production, what is its estimated profit 1 year from now? Construct graphs illustrating both unhedged and hedged profit.
1). Profit if unhedged:
Profit if hedged by selling forward at $1/lb forward price:
Graph:
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