13. Five litres of groundhut oil and three litres of palm oil cost N 14.00 altogether. One litre of groundnut oil
costs N2.00 more than a litre of palm oil. Find the cost
of palm oil and groundnut oil per litre respectively
A. N 0.50 and N 250 B N 150 and NO.20
C. N 2.50 and NO.50
DN 150 and N 250