a manager decides to buy a mixer for 30,000. Payment can be executed in 2 ways: a. Payment in cash: get 3% discount b. If debt: the current payment is 5,000, then it can be paid in installments at the end of the first year for 8,000, the end of the second year 6,000, and the same same until the end of the fifth year.

Determine the value of interest (i) for the above case.