BHP Billiton is the​ world's largest mining firm. BHP expects to produce 2.00 billion pounds of copper next​ year, with

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BHP Billiton is the​ world's largest mining firm. BHP
expects to produce 2.00 billion pounds of copper
next​ year, with a production cost of $0.95 per pound.
a. What will be​ BHP's operating profit from copper next
year if the price of copper is $1.05, $1.40​, or
$1.75 per​ pound, and the firm plans to sell all of
its copper next year at the going​ price?
b. What will be​ BHP's operating profit from copper next
year if the firm enters into a contract to supply copper to end
users at an average price of $1.35 per​ pound?
c. What will be​ BHP's operating profit from copper next
year if copper prices are described as in part ​(a​), and the firm
enters into supply contracts as in part ​(b​) for only 50% of its
total​ output?
a. What will be​ BHP's operating profit from copper
next year if the price of copper is $1.05​, $1.40​, or
$1.75 per​ pound, and the firm plans to sell all of its
copper next year at the going​ price?
The operating profit when the price per pound is $1.05 will
be $____ billion.  ​(Round to two decimal​ places.)
*Eg. $0.45 billion, $2.42 billion, etc.*
The operating profit when the price per pound is $1.40 will
be $____ billion.  ​(Round to two decimal​ places.)
The operating profit when the price per pound is $1.75 will
be $____ billion.  ​(Round to two decimal​ places.)
b. What will be​ BHP's operating profit from copper
next year if the firm enters into a contract to supply copper to
end users at an average price of
$1.35 per​ pound?
The operating profit when the price per pound is $1.35 will
be $____ billion.  ​(Round to two decimal​ places.)
c. What will be​ BHP's operating profit from copper
next year if copper prices are described as in part ​(a​), and the
firm enters into supply contracts as in part ​(b​) for only 50% of
its total​ output?
The operating profit when the price per pound is $1.05 will
be $____ billion.  ​(Round to two decimal​ places.)
The operating profit when the price per pound is $1.40 will
be $____ billion.  ​(Round to two decimal​ places.)
The operating profit when the price per pound is $1.75 will
be $____ billion.  ​(Round to two decimal​ places.)