Engr. Trinidad loans from a loan firm an amount of P100,000 with a rate of simple interest of 20% but the interest was deducted from the loan at the time the money was borrowed. If at the end of one year, she has to pay the full amount of P100,000, what is the actual rate of interest?

• A. 23.5 %
• B. 24.7 %
• C. 25.0 %
• D. 25.8 %

Answer: (C)