Uncle Dai is planning to borrow 120,000 yuan to buy a facade house and start a clothing business. The annual interest rate of the loan is 5%, and he plans to pay off the loan and interest in one lump sum in four years. He has calculated that the average monthly sales can be 8,000 yuan, and the monthly expenditures mainly include the following items: the employment of sales personnel accounts for 20% of sales revenue, the cost of clothing purchases accounts for about 40% of clothing sales, industry and commerce Taxes, water and electricity expenses and other expenses are about 200 yuan. Please do the math for Uncle Dai, can the profits from the clothing business for four years pay off the loan and interest?
戴叔叔准备贷款12万元买下一间门面房，做服装生意，贷款年利率为5%，计划4年一次性还清贷款和利息．他计算过，平均每月可得实现销售额0.8万元，每月的支出主要有几下几项：聘用销售人员占销售收入的20%，服装进货成本约占服装销售额的40%，工商税务、水电支出等其它支出约有200元．请你帮戴叔叔算一算，做服装生意4年的利润能还清贷款和利息？
<result>4</result>