You are analyzing historic unit costs for 18* Class 5 reinforced concrete pipe in a database. The unit costs include all costs - material, labor, equipment, and other, for the excavation, bedding, pipe and backfill. Refer to the following table: 29 of 120. The following question requires your selection of Scenario 1.2.108 from the right side of your split screen, using the drop down menu, to reference during your response/choice of responses. What is the relative frequency of unit costs amounting to $55.00/unit? BID DATE LOCATION ESTIMATED QUANTITY UNIT COST 3/11/03 Cincinnati, OH, USA 147 $55.00 9/14/05 Eau Clair, WI, USA 143 $34.50 8/17/06 Louisville, KY, USA 462 $37.30 8/31/05 Atlanta, GA, USA 530 $55.00 11/19/04 Atlanta, GA, USA 308 1/26/05 Atlanta, GA, USA 45 $40.00 $26,78 2/21/07 Denver, CO, USA 256 $46.59 4/18/06 4/18/06 Colorado Springs, CO, USA Colorado Springs, CO, USA 176 80 $75.00 $65.00 338.5 B. O 31.1% C. 22.22% D. O2