Known Errors in the Textbook
Business Math: Using Percents, 1st edition
by Steven J. Wilson, JCCC
: Kendall/Hunt Publishing Company, 2001

• In example 1 of section 2.3 (page 48), the number 108% should read simply 108.  The percent sign should be removed.
• In section 2.4 (page 55), the second "example 3" should be example 4.
• In exercise 4 of section 3.2 (page 105), the amount \$17,500 should instead be \$17,000.
• In example 2 of section 3.4 (page 95), the last sentence is incorrect.  In that sentence only, the amount \$418.05 should instead be \$250.65.
• In section 3.5 (page 96), the column headed "Employer Deductions" should read "Employer Expenses".
• In examples 1 and 2 of section 3.5 (pages 96-98), the three references to "this week" should be changed to "this pay period".
• In example 4 of section 4.5 (page 140), on the number line diagram, the value 10.11 should be 10.51.
• In example 4 of section 4.6 (page 142), the question should read "What was the sale price of the sofa", not "What was the selling price of the sofa".
• In example 2 of section 4.7 (page 144), the percent change diagram should have a plus sign, not a minus sign.
• In exercises 17-20 of section 4.6 (page 172), the question should read "What is the largest possible percent markdown". The word "percent" was omitted.
• Answer to problem 15 of section 4.7 should be \$2.41 (not \$37.01).  (The problem is on page 173, the answer is on page 379.)
• In examples 1 and 2 of section 5.1 (pages 187-188), the value of the equipment should be \$12,520, and the percent (in example 2) should be 13.74%.
• In example 3 of section 5.3 (page 198), the second year current depreciation should be \$7,770, not \$7,700.
• Information is missing in exercises 1-6 of section 5.2 (page 214).  The number of remaining units on December 31 should be 5 dishwashers.
• Information is missing in exercise 24 of section 5.3 (page 220).  The schedule should run for five years.
• Answer for the principal value to problem 13 of section 6.3 should be \$95,405.33 (not \$95,403.33).  (The problem is on page 265, the answer is on page 381.)
• Answer to problem 12 of Chapter 6 Review should be 12.81% (not 12.17%).  (The problem is on page 279, the answer is on page 382.)
• In example 6 of section 7.3 (page 292), the denominator of the value of I should be 1, not I (a number, not a letter).
• In example 2 of section 7.5 (page 297), the computation for the variable N should be 12 times 1, not 10 times 1.