matthew bought 4 new compact discs at $16.99 each and a carrying case for $35.89. he paid 8\\frac{1}{4}%…

matthew bought 4 new compact discs at $16.99 each and a carrying case for $35.89. he paid 8\\frac{1}{4}% sales tax on his purchases. if matthew paid $112.42 total, determine if he paid the correct amount.\na matthew paid $0.15 too little for his purchases\nb matthew paid $0.16 too much for his purchases\nc matthew paid $0.05 too much for his purchases\nd matthew paid the correct amount for his purchases\nplease select the best answer from the choices provided
Answer
Explanation:
Step1: Calculate cost of compact discs
$4\times16.99 = 67.96$
Step2: Calculate subtotal of purchases
$67.96 + 35.89=103.85$
Step3: Convert tax rate to decimal
$8\frac{1}{4}%=\frac{33}{4}\div100 = 0.0825$
Step4: Calculate tax amount
$103.85\times0.0825 = 8.567625$
Step5: Calculate total cost
$103.85+ 8.567625=112.417625\approx112.42$
Answer:
D. Matthew paid the correct amount for his purchases