Two college students share an apartment and split the cost of heating, electricity, and rent. They decide to include one more roommate and divide heat, electricity, and rent costs three ways instead of two ways. If adding the third roommate reduces the amount of money they each pay for utilities and rent each month, this can be described as:

Tri fecta, a partnership, had revenues of $369,000 in its first year of operations. the partnership has not collected on $45,000 of its sales and still owes $39,500 on $155,000 of merchandise it purchased. there was no inventory on hand at the end of the year. the partnership paid $27,000 in salaries. the partners invested $48,000 in the business and $23,000 was borrowed on a five-year note. the partnership paid $2,070 in interest that was the amount owed for the year and paid $9,500 for a two-year insurance policy on the first day of business. compute net income for the first year for tri fecta.