.3. Assume that a radiologist group practice has the following cost structure: Furthermore, assume that the group expects to perform 7,500 procedures in the coming year. a. Construct the group's base case projected P\&L statement. b. What is the group's contribution margin? What is its accounting breakeven point? c. What volume is required to produce a pretax profit of $100,000 ? A pretax profit of $200,000 ? d. Sketch out a CVP analysis graph depicting the base case situation. Now assume that the practice contracts with one HMO, and the plan proposes a 20 percent discount from charges. Answer questions a,b,c, and d under these conditions