Linear or Exponential? State whether the growth (or decay) is linear or exponential and answer the associated question.

During an episode of hyperinflation that occurred in Venezuela in 2016, the price of food increased at a rate about 40% per month. If a food item cost 1,000 bolivars (the country's unit of currency) at the beginning of the period, what was its price 4 months later?

Exponential; 3,842 bolivars is the answer.

Please use clear writing, please answer with the shortest answer as possible and not with a story. Use good grammar, punctuation, etc. Thank you. I have input the answers.