Calculate the CBA for a control that a breach that occurs 5 times a year and each time it occurs it costs the company $5,000. The control is 90% effective and only costs $10,000 to purchase but you you need a maintinance contract for $1000 and training your team of 5 people for an hr each (hourly rate is $40). $11,300 $11,200 $13,800 none of the above