What is the interest rate of Jiedai for 30,000 years? 18000?

Interest is a part of the loan principal, which refers to the expenses that the borrower needs to pay to the lending institution. According to the information provided by the question, Gitzo loan is 30,000 yuan with two-year interest 18000. Therefore, the ratio of interest to loan principal can be calculated by the following steps:

1. Calculate the annual interest rate: 18000 divided by 2 years to get 9000.

2. Calculate the ratio of annual interest rate to loan principal: 9000 divided by 30000, which is about 30%.

Summary:

Gitzo loan interest accounts for about 30% of the loan principal. This means that during the loan period, the borrower needs to pay an equal amount of interest fees. Please note that the calculation assumes that the interest rate is simple, without considering compound interest and other possible expenses. If you need accurate calculation results, please consult specific lending institutions or professionals.