### The Cost of Education Must Include Textbook Costs

According to BusinessWeek.com, the "textbook" market generates "`\$11 billion` in revenue and `\$3 billion` in profit a year."

```   [source:  BusinessWeek.com on 17 January 2007]

"The college textbook market has functioned as a near-perfect
monopoly. Consider: How often does someone have the authority
to order consumers to purchase a product with a limited number
of vendors? University professors have just that power, requiring
students to purchase particular books for their courses. The often
obscure titles must typically be purchased from the college bookstore,
which obtains them through special order. With limited competition,
at best, prices for new textbooks can easily climb to \$100, and
have tripled since the mid 1980s
```

In BAB:: The Cost of Taking 3-Credit Math Classes at SCC, we calculated the cost to take either MAT082 or MAT102 at SCC during the spring 2007 semester approximated `\$336`. The book cost `\$97 used`. Buying a new book increased the total cost of the class to `\$369`.

##### Exercises
1. `11 billion` written as a whole number is `_______________________`.

2. The new MAT082/MAT102 book cost `\$________` more than the used book.

3. `97` is `______%` of `336`. [record answer to nearest hundredth]

4. `3 billion` is `_______%` of `11 billion`. [record answer to nearest hundredth]

##### Update::2007.04.30

The Arizona Board of Regents had a task force to look into textbook costs and they have concluded that book costs for college students are too high.

The Tucson newspaper reported the following about books that come bundled with stuff in addition to the textbook.

```   "On a 1-to-5 scale, students rated bundled items a '2' in