 
<translate> Bayan shekara guda sai ya samu $10 a riba domin 100 x.1 = 10. Yana da $120 a ciki bayan shekara guda domin 100 + 10 + 10 = 120. A shekara ta biyu ya samu $12 a riba domin 120 x.1 = 12. A shekara ta biyu yana da $142 a ciki domin 120 + 12 + 10 = 142. <eng> After one year it earns $10 in interest because 100 x .1 = 10. It has $120 in it after a year because 100 + 10 + 10 = 120. In the second year it earns $12 in interest because 120 x .1 = 12. In the second year it has $142 in it because 120 + 12 + 10 = 142. 