It is 1996. sara is watching her favorite video, wearing her favorite s wich. she paid $15.98 for the video, $30 for the sweatshirt and $1.99 for the sandwich weatshirt and eating a sand. a. what were sara's total expenditures for the three goods? b. how many yen would a japanese tourist have exchanged to purchase the same products? c. how many canadian dollars would a canadian tourist have exchanged? d. how many pounds would a british tourist have exchanged?