NEED C CODING

must be done with threads

must be done with threads please

1) Consider the case when a person introduces her/his personal details and based on a provided amount of money which the person has, multiple threads compute how much the person can earn if the money are deposited for maximum 10 years at a bank where the interest is of 0 7 per month Solve the problem using global and static variables 2) Write a program based on threads which will compute the number of occurrences of a specific word inside multiple files that exist at a provided path