The Walt Disney Company is planning to add a new rollercoaster
to its park in Anaheim, California. The cost to purchase and build
this rollercoaster will be $12,000,000 and will cost $80,000 in
maintenance every year. Disney will also assign staff to organize
lines and guide visitors through these rollercoasters. The salary
of the staff is expected to be $100,000 every 6 months. After 10
years of operation, the rollercoaster equipment needs to be
remodeled at a cost of $1,000,000....