Nickleson company had an unadjusted cash balance of $7,750 as of may 31. the company’s bank statement, also dated may 31, included a $72 nsf check written by one of nickleson’s customers. there were $800 in outstanding checks and $950 in deposits in transit as of may 31. according to the bank statement, service charges were $50, and the bank collected an $800 note receivable for nickleson. the bank statement also showed $13 of interest revenue earned by nickleson. determine the true cash balance as of may 31.

Aproperty title search firm is contemplating using online software to increase its search productivity. currently an average of 40 minutes is needed to do a title search. the researcher cost is $2 per minute. clients are charged a fee of $400. company a's software would reduce the average search time by 10 minutes, at a cost of $3.50 per search. company b's software would reduce the average search time by 12 minutes at a cost of $3.60 per search. which option would have the higher productivity in terms of revenue per dollar of input?