According to a pencil company's advertising campaign, 2 out of 3 students prefer the company's pencils to their competitor's pencils. A representative of the company went to a high school with 1479 students for a Q & A session, and one of the students asked, "If this is true, in this high school, how many more students are there who prefer your pencils than students who prefer your competitor's pencils?" Help the company's representative come up with an answer. Assume that the company's claim is true. Part I: How many of the students in the high school prefer the company's pencils?

Part II: Out of 3 students, how many prefer the pencils of the company's competitor?

Part III: How many of the students in the high school prefer the pencils of the company's competitor?

Part IV: In the high school, how many more students are there who prefer the company's pencils than students who prefer their competitor's pencils?