2- The demand curve for a good is q = 100 p/c where c is a constant and c ≥ 0. The supply curve for the good is q=10+p. A quantity tax of t=$10 per unit is imposed on this product. a. By how much will the price of the product rise? b. What are the maximum and minimum possible changes in price? C. What is the producer's share of the tax? d. Find the elasticity of demand at p=10. (Assuming c≥ 0.1).

Determine minimum thickness of a rigid pavement with doweled joints and without concrete shoulders. It is four-lane interstate highway, rolling terrain in rural location, design period = 20 yr, axle loads and expected repetitions are shown in table below, subbase-subgrade k = 100 lb/in³ and concrete modulus of rupture 600 lb/in². Axle load kips 30 Expected repetitions Single axles 100 26 3000 22 10000 Tandem axles 54 2000 46 25000 38 9000

Asume you invest $3,500 today in an iveestment that promises to return $7,700 in exactly 10 years.  a. Use the present value technique to estiate the IRR on this investment. b. if a minimum anual return of 9% is required would you recommed this investment.