Rutgers university has its own bank branch on the jersey

rutgers university has its own bank branch on the jersey campus. the branch is busiest at the beginning of the school year when freshman and transfer students open accounts . this year, freshman arrived at the office at a rate of 40 per day (8hour day) …on average it sakes the bank staff person about 10 minutes to process each application. the bank is considering having one or two tellers. each teller is paid 15$ a hour and the cost of waiting in line is assumed to be 10$ per hour.

a) what is the total daily writing cost plus service cost for the single teller model

b) what is the total daily waiting cost plus service cost for the two teller model

c) which model is preferred and why