4. Lance Garson purchased 4 boxes of paper at $19.99 each, 2
computer programs at $189.89 each, a business graphing
calculator for $149.95, an office chair floor mat for $57.65,
and 2 packs of photo-quality paper for $19.95 each. The sales
tax rate is 5.75%.
a. What is the total selling price?
b. What is the sales tax?
.c. What is the total purchase price?
