(Table) Based on the table, diminishing marginal returns occur when the worker is hired. Production Data for Baseball Bat Company Labor (number Total Product (number of workers) of bats) 0 0 20 42 UJ 66 94 5 124 6 150 170 184 9 194 10 200 11 204 12 202 13 198 14 190 O fifth O sixth O twelfth O eighth