solve this financial management question

Megahurtz International Car Rentals has rent-a-car outlets throughout the world. It keeps funds for transaction purposes in many foreign currencies. Assume that in 20XX it held 350,000 reals in Brazil worth $280,000. It earned 9 percent interest, but the real declined 18 percent against the dollar. a. What is the value of its holdings, based on Canadian dollars, at year-end? (Do not round intermediate calculations.) Value of the holdings $ b. What is the value of its holdings, based on Canadian dollars, at year-end if it earned 6 percent and the real went up by 10 percent against the dollar? (Do not round intermediate calculations.)