John and Susan Smith are in their mid 30s and have two children, a 4-year-old and a 2-year-old. Both John and Susan work and do not currently need additional income. They have determined they want to conservatively invest so that they will have funds for their childrens' college in about 12-15 years. Which of the following investments would best meet their goal? A) Common Stocks. B) Laddered Treasury Notes. C) Laddered Zero-Coupon Bonds. D) Preferred Stocks.

While studying for the engineering economy final exam, you and two friends find yourselves craving a fresh pizza. you can't spare the time to pick up the pizza and must have it delivered. "pick-up-sticks" offers a 1-1/4-inch-thick (including toppings), 20-inch square pizza with your choice of two toppings for $15 plus 5% sales tax and a $1.50 delivery charge (no sales tax on delivery charge). "fred's" offers the round, deep-dish sasquatch, which is 20 inches in diameter. it is 1-3/4 inches thick, includes two toppings, and costs $17.25 plus 5% sales tax and free delivery. 1. what is the problem in this situation? state it in an explicit and precise manner. 2. systematically apply the seven principles of engineering economy (pp. 3-6) to the problem you have defined in part (a). 3. assuming that your common unit of measure is dollars (i.e., cost), what is the better value for getting a pizza based on the criterion of minimizing cost per unit of volume? 4. what other criteria might be used to select which pizza to purchase?

By 2020, automobile market analysts expect that the demand for electric autos will increase as buyers become more familiar with the technology. however, the costs of producing electric autos may increase because of higher costs for inputs (e.g., rare earth elements), or they may decrease as the manufacturers learn better assembly methods (i.e., learning by doing). what is the expected impact of these changes on the equilibrium price and quantity for electric autos?

Sally has a high-paying management position with a fortune 500 company, but she is tired of working for corporate america. so sally has decided to start a business, and she knows she will be successful as an entrepreneur because entrepreneurs typically