单项选择题

Questions 155-157 refer to the following document.
KoKo Appliance Co., Ltd.
151 East Wacker Drive,
Chicago, Illinois 60601
Tel: 312-565-1234
www.koko.com
Date and Time of transaction: 13/9/2007, 10:24 a.m.
Merchant ID: 612308
Clerk: David Cox
Customer: Mark Roger
Credit Card Number ending in: XXXX XXXX XXXX 1067
Item Quantity Price
Screwdriver Set 24 $63.90
Steel-headed hammer 2 $49.98
Electric Drill, cordless 2 $54.00
Subtotal $167.88
Tax (10%) $16.79
Total to be billed $184.67

How was the merchandise paid for

A. By personal check
B. By money order
C. By credit card
D. In cash