what does mean per annum
Answer added by: Rehan Qureshi Chief Financial Officer (CFO) 1 year ago. Per annum means yearly or annually. For example, if a business charges its customers1.5% per month on any unpaid balance, the per annum rate is18%. The per annum rate was the result of1.5% X12 months in a year.nswer added by: Rehan Qureshi Chief Financial Officer (CFO) 1 year ago. Per annum means yearly or annually. For example, if a business charges its customers1.5% per month on any unpaid balance, the per annum rate is18%. The per annum rate was the result of1.5% X12 months in a year.