Question

For each of the annual inflation rates given in the following table, first determine the new price of a movie ticket, assuming it rises at the rate of inflation. Then enter the corresponding purchasing power of Lucia's deposit after one year in the first row of the table for each inflation rate. Finally, enter the value for the real interest rate at each of the given inflation rates. Hint: Round your answers in the first row down to the nearest movie ticket. For example, if you find that the deposit will cover 20.7 movie tickets, you would round the purchasing power down to 20 movie tickets under the assumption that Lucia will not buy seven-tenths of a movie ticket.

Answer 1

see below

Step-by-step explanation:

The balance in Lucia's account is 1.05 times the original deposit, reflecting addition of 5% interest for the year.

The ticket price is the original price multiplied by (1 + inflation rate). The number of tickets that Lucia can purchase is the account balance divided by the ticket price. The quotient is rounded down to the nearest integer.

The "real interest rate" is the percentage change from the original number of tickets that could be purchased.