A property title search firm is contemplating using online software to increase its search productivity. Currently, an average of 45 minutes is needed to do a title search. The researcher's cost is $180 per hour. Clients are charged a fee of $350 per title. Company As software is able to search 18 titles per day, at a cost of $22 per search. Company Bs can search 24 titles per day, at a cost of $30 per search. There are 9 working hours per day. Compute labor and multifactor productivity with both the software. Which software would you choose?