An accounts receivable manager processes $200$ checks per day with an average

processing time of $15$ working days.

$2$a$.$ What is the average number of accounts receivable checks being processed

in her office?

$2$b$.$ What if through information technology she reduces the processing time from

$15$ days to $10$ days and then to $5$ days? What is the average number of

accounts receivable checks being processed for $10$ days and for $5$ days?

$2$c$.$ What are the advantages and disadvantages of adopting this technology