Sentence:  Business loans generally are repayable in regular installments - usually monthly , including <WSD>interest</WSD> at the rate of 5 - 1/2 percent per annum on the unpaid balance - and have a maximum maturity of 10 years ; the term of loans for working capital is 6 years . 
Meaning of the word marked with <WSD> tags:  a fixed charge for borrowing money; usually a percentage of the amount borrowed