Loan Amount: $13,000
Method of payment: discount basis
Amount of Interest: $625
Term of loan: 1 year
∴ Rate if interest = [tex] \frac{Amount \ of \ Interest}{Loan \ Amount} *100[/tex]
[tex]Rate = \frac{625}{13,000} *100 = \framebox {4.8 \%}[/tex]
So, the correct answer is option (1) 4.8