Barrington Box Enterprises has two divisions, large and small, that share the common costs of the company's communications network. The annual common costs are $4,500,000. You have been provided with the following information for the upcoming year: Calls Time on Network (hours) Large 110,000 135,000 Small 80,000 240,000 What is the allocation rate for the upcoming, year assuming Barrington Box uses the single-rate method and allocates common costs based on the time on the network? $14.06. $7.96. $10.31. $12.00