Kauffman Market has a gross profit percentage of 50%. It is expecting an additional $5,000 in revenues over the upcoming 3-day holiday weekend. The manager would like 3 additional staff members assisting customers during this busy time. The additional staff members will each work one 6-hour shift per day and earn $10 per hour. Would it be profitable for Kauffman Market to add the extra staff members? By how much? a. Yes, by $4,460 b. Yes, by $1,960 c. Yes, by $2,320 d. No, by $(3,125)