The Mathematics of Money

Copyright © 2008, The McGraw-Hill Companies, Inc.

27. Using the information included, calculate the missing amounts from the total column in the invoice shown below.

International Difference Engines

Box 404

Marbleburg, North Carolina 20252

Ampersand Computers

4539 North Henley Street

Olean, NY 14760

Date: August 8, 2007

Order #: 271828

Shipped: August 9, 2007

Quantity Product # MSRP Total

8 82135-H IDE-Model H Laptop $695.00 (a)

(c)

(d)

(e)

$450.00

(f)

PLUS: Freight

Total due

Subtotal

LESS: 19% discount

Net

INVOICE

Invoice No. 1338

Sold To:

Description

15 81101-K IDE-Model K Laptop $1,175.00 (b)

28. A sofa lists for $1,999.00. The manufacturer offers a 37.5% trade discount. A furniture store offers a 10% discount off
    list, and during a special promotion discounts prices by an additional 10%.

a. Find the sale price of the sofa.

b. Find the gross profi t on the sofa based on the sale price.

c. Find the gross profi t margin on the sofa based on the sale price.

29. Find the single discount equivalent to successive discounts of 18% and 22%.


30. A calculator manufacturer offers a 16% trade discount. The invoice for a shipment of 200 calculators totals
    $13,431.60. What is the list price for each calculator?

Exercises 8.3 361