Which of the following sentences contains at least one error? a. Brett felt alot of pressure to meet the deadline and he worked tirelessly to complete the assignment on time. b. To ensure she responded to her customers in a timely manner, Gerrie chose to allot one hour per day to emails and voice messages. c. There are many different management styles out there, but no one style is better than the rest. d. Allot three days per week to 30 minutes of exercise or more and you will see substantial health benefits and a boost in your overall mood