Answer:
For 70,000 just add 117,000 and 32,000.Convert 12$ into Naira,multiply it with 70,000 and divide the result by 30
For 80,000 just add 117,000 and 32,000.Convert 12$ into Naira,multiply it with 80,000 and divide the result by 30
For 90,000 just add 117,000 and 32,000.Convert 12$ into Naira,multiply it with 90,000 and divide the result by 30