hello sorry I just need help with a better understanding of how to work out (ii), and I don't understand where they got the values 2396.44 and 15976.33 from

Question 3 A loan of R30000 is repard by a level annuity certain payable annualy in arrears for 20 years Determine. on the basis of an interest sate of 15% pa [2] (i) the annual repayment [3.5] (ii) the first repayment for which the capital content exceeds the interest content [Total 5.5] Answer: (i) 3000030000X=Xa201=X(6.2693)=4792.87 (ii) Assume interest and capital component are equal at payment n Interest tn=2396.44 Balancen1=nInterest=15976.2315976.23=4792.87a2v(n1)15976.23=4792.87i1v21n21n=4.9595n=16.0405 capital w i ine larger that interest w ith 17 th payment