In $1880,$ five aboriginal trackers were each promised the equivalent of $100$ Australian dollars for helping to capture the notorious

outlaw Ned Kelley. In $2000,$ the granddaughters of two of the trackers claimed that this reward had not been paid. The Victorian prime

minister stated that if this was true, the government would be happy to pay the $$100.$ However, the granddaughters also claimed that

they were entitled to compound interest.

a$.$ How much was each granddaughter entitled to if the interest rate was $3\%?$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

Australian dollars

b$.$ How much was each entitled to if the interest rate was $6\%?$

Note: Do not round intermediate calculations. Round your answer to $2$ decimal places.

Future value