Last year your firm managed a 48-unit apartment building. Two units were four-bedroom, penthouse units renting for $1,000 per month. Twenty-five units with three bedrooms and two baths rented for $850 per month. Ten two-bedroom units rented for $750 per month, and 11 one-bedroom apartments with balconies rented for $650 per month. The three-bedroom units carried a 5% vacancy; the two-bedroom units carried a 5% vacancy; the one-bedroom units carried a 10% vacancy. The four-bedroom units were occupied the entire year. The management fee is 12 %. How much commission did your firm gross last year from managing this building