Eloundou saves 100,000frs at the ‘njangi’ at 7% per month, what will be the total interest in 3 months?

Financial institutions will make more money if they use simple interest on the loans they give out?

Between simple and compound interest, which will produce a greater interest at the end of the first period?

Defang saves 500,000frs in the bank at 10% per annum, what will be his total interest in 1 year?

Che and Chi both save 100,000frs each at the ‘njangi’ meeting., Che saves at 6% compound interest per month and Chi at 7% simple interest. Who makes more money after the first period?