Postal Express has outlets throughout the world. It also keeps funds for transactions purposes in many foreign countries. Assume in 2010 it held 270,000 reals in Brazil worth 200,000 dollars. It drew 15 percent interest, but the Brazilian real declined 30 percent against the dollar. a. What is the value of its holdings, based on U.S. dollars, at year-end? (Do not round intermediate calculations.)

b. What is the value of its holdings, based on U.S. dollars, at year-end if instead it drew 12 percent interest and the real went up by 16 percent against the dollar? (Do not round intermediate calculations.)