Please help solve this questions. Thank you Nadia Algar is the overworked IT resource person for her department. In the next round of computer purchases, she is determined to recommend a vendor who does a better job of documenting possible errors in the system and whose customer service line is more responsive to the needs of her colleagues. Nadia compiled the following data over an eight $-$ week observation period. Assuming $40$ ?hours per week, which computer vendor should Nadia pursue? Calculate the system availability $($ SA $)$ ?for each vendor. $($ Round your answers to $4$ ?decimal places, e $.$ g $.0\mathrm{.}1856.)$ ?SA $\_$ JCN $=$ ?SA $\_$ Bell $=$ ?S A $\_$ Comtron $=$ ?Nadia should choose