how were fixed costs determined in the following analysis from Arkansas Egg Company?

WEEKLY PROFIT ANALYSIS

WEEKLY PROFIT ANALYSIS WEEKS 1--23 24 26 27-28 29-39 40-64 65-76 78 TO AL DOZEN EGGS LAID 0.25 0.33 0.42 1 6.42 12.5 5 0.33 0.25 26.5 VARIABLE REVENUE CONTRIBUTIONFIXED COST PROFIT 0.455 0.6006 0.7644 1.82 11.6844 2275 9.1 0.6006 0.455 48.23 COST 10.64 0.285 0.3762 0.4788 1.14 7.3188 14.25 5.7 0.3762 0.285 40.85 -10.64 0.17 0.2244 0.2856 0.68 4.3656 8.5 3.4 0.2244 0.17 7.38 -10.64 0.013167273 0.15683 0.0173808 0.20702 0.022121018 0.26348 0.0526690910.62733 0.338135564 4.02746 0.6583636367.84164 0.2633454553.13666 0.0173808 0.20702 0.013167273 0.15683 1.3957309095.98427