Use the information provided to answer Part A and Part B. The ratio of the sales tax to the amount of a purchase is a fixed number in Town . The table shows the sales tax for a purchase of .

Part A
What is the sales tax for a purchase of ​
A
$18.06\$ 18.06$18.06
B
$34.72\$ 34.72$34.72
C
$144.00\$ 144.00$144.00
D
$150.00\$ 150.00$150.00
(b)

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Part B
What is the cost of an item with a sales tax of ?
A
$432\$ 432$432
B
$648\$ 648$648
C
$1,092\$ 1,092$1,092
D
$1,800\$ 1,800$1,800

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