Joe's House of Birds produces bird houses. Evaluate each of the following statements to determine whether Joe should hire another employee to make bird houses. Joe sells his bird houses for $15 each.

a. Ellen applies for a job. It is expected that she will increase production from 200 bird housesa day to 210 bird houses each day. Ellen earns a wage of $100 a day.

Joe should (Click to select) hire Ellen not hire Ellen .

b. Alan just completed a woodworking class. It is expected that he will increase production from 200 bird houses a day to 240 bird houses each day. Alan earns a wage of $500 a day.

Joe should (Click to select) not hire Alan hire Alan .

c. Sean applies for a job. It is expected that he will increase production from 200 bird houses a day to 215 bird houses each day. Sean earns a wage of $250 a day.

Joe should (Click to select) not hire Sean hire Sean .