A company employs a single machine mechanic to maintain all the equipment. It is estimated that, on average, 4 machines break down in an hour. The average time taken to repair a machine is estimated to be 12 minutes. The machine’s hourly output is estimated to be worth $27. The mechanic is paid at the rate of €$6 per hour.

1.Calculate the probability that more than 4 machines are in for repair at a given time.

2.The firm has an option of employing a second mechanic at the same hourly rate of $16. If employed, this second mechanic will also service the machines at the same rate as the present employee. Should the company employ the second mechanic? and show why?