Companies delivering mixed concrete know that it cannot be shipped farther than 25 miles because the concrete might harden in the truck. Carter Concrete Supply Co is the only supplier of mixed concrete to customers within a 30-mile radius. Carter Concrete Supply Co is an example of which one of the following competitive structures?

A. Monopoly
B. Oligopoly
C. Monopolistic competition
D. Pure competition
E. Monopsony

Miller mfg. is analyzing a proposed project. the company expects to sell 14,300 units, plus or minus 3 percent. the expected variable cost per unit is $15 and the expected fixed cost is $35,000. the fixed and variable cost estimates are considered accurate within a plus or minus 3 percent range. the depreciation expense is $32,000. the tax rate is 34 percent. the sale price is estimated at $19 a unit, give or take 3 percent. what is the net income under the worst case scenario?