1960: A logger sells a truckload of lumber for $100. His cost of
production is four-fifths the price, or $80. What is his profit?
1970: (new math) A logger examines a set L of lumber for a set M of money.
The cardinality of the set M is 100, and each element is worth $1.00. Make
100 dots representing the elements of the set M. Represent the set C as a
subset of M, and answer the following question: What is the cardinality of
the set P of profits?
1980: A logger sells a truckload of lumber for $100. His cost of
production is $80 and his profit is $20. Your assignment: Underline the
1990: (outcome-based education) A logger cuts down a beautiful forest and
makes $20 profit. What do you think of his way of making a living? How did
the forest birds and squirrels feel?
2001: A lumber company lays off 45% of its loggers and improves its stock
price from $80 a share to $100 a share. How much capital gain per share
does the CEO make by exercising his stock option at $50?