Shelley runs a ferret farm in Athens, Georgia. The table shows part of Shelley's total product schedule. . . . Construct Shelley's marginal product and average product schedules. Fill in the right columns of the table. >>> Answer in whole numbers. Over what range of workers does Shelley's experience increasing marginal returns? Shelley's marginal returns increase for O A. all workers O B. the first, second, and third workers O C. the first and third workers only O D. the first worker only O E. no workers