calculator – n. a small electronic device that is used for adding, subtracting, etc.
monitor – n. a person who has the job of checking or watching some activity or behavior
mismatch – n. a situation in which two people or things are not balanced or equal to each other in some way
minimum – adj. least or lowest possible in amount or degree
salary – n. an amount of money that an employee is paid each year
ratio – n. the relationship that exists between the size, number, or amount of two things and that is often represented by two numbers
allocation - n. to divide and give out (something) for a special reason or to particular people, companies, etc.
expenditure – n. an amount of money that is spent on something