Students will search for information about deposits in the banking sector and annual interest rate. By using questionnaires they will collect information about people using these services. The students will interview employees of the bank about deposits. They will imagine to deposit thousand GELs until their adulthood, calculate interests after each year, and count amount of money they will have when they become adults. They will make diagram about these data, prepare presentation and justify their decisions: why have they chosen specific deposit service.