3. A new Jetski machine costs $ 67,000 and has a lifespan of 5 years. The increased production is $ 15,000 per year of additional income. Money can earn 0.3% per year, compounded continuously. Calculate NPV. Select one: a. 10,000 b. 8,000 C. 9,000 d. 7,000 e. 6,000 O

9.For a certain item the demand curve is 20 / (q + 1). And the supply curve is q + 2. Compute the consumer and producer surplus. Select one: a. 13.37 and 3.30 b. 14.85 and 2.80 c. 11.69 and 0.72 d. 12.73 and 4.50 e. 15.36 and1.83