3. 100 Percent Bonus Plan. Mary Mullin, employed by the Barnegat Bay Can- ning Company, submitted the following labor data for the first week in June: Monday...... Tuesday.. Wednesday. Thursday.. Friday... 270 units 8 hours 210 units 8 hours 300 units 8 hours 240 units 8 hours 260 units 8 hours Required: A schedule showing Mary's daily earnings, the effective hourly rate, and the labor cost per unit, assuming a 100 percent bonus plan with a base wage of $4 per hour and a standard production rate of 30 units per hour.