Babak owns a sports practice facility called Boston Batting Cages in Boston, Massachusetts. During the first year of operation, Boston Batting Cages incurred many costs. In that year, Babak spent $5,000 on labor, $2,000 on maintenance, and $1,000 on electricity. Babak took out a loan to open his business, in which he would have earned $1,500, and his previous job, which he could get back at any time, paid him $50,000.Boston Batting Cages incurred in implicit costs.
a. $51,500
b. $9,500
c. $50,000
d. $8,000
e. $7,000

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?