Help finding monthly food bill after 3 months

jest. 29 pis possible During the worst periods of hyperinflation in a certain country, the price of food increased at a rate of 30% per month. State whether this increase was linear or exponential. If your food bill was $90 in one month during this period, what was it three months later? Was the growth in inflation linear or exponential? O exponential O linear What was the monthly food bill after three months? (Round to the nearest dollar as needed.)