Please check my answers and let me know if I am correct thank you.

6. With beginning inventory at a cost of $9,000, ending inventory at a cost of $7,000, net sales of $51,000, and cost of goods sold of $46,00, the inventory turnover at a cost to the nearest hundredth is

A. 5.57.
B. 7.55.
C. 7.57.
D. 5.75. My answer

7. Becky bought a new Apple computer for $1,205. The purchase price included a 6% sales tax. What’s the actual selling price of the computer?

A. $1,136.79
B. $1,32.08
C. $1,200.00 My answer
D. $1,277.30

8. Judy Ring purchased a watch with a retail price of $8,000. She still has to pay a sales tax of 6% and an excise tax of 10%. Since the jeweler is shipping the watch, there’s an additional $20 shipping change. The total purchase price of this watch for Judy is

A. $9,300. My answer
B. $9,516.
C. $8,800.
D. $8,496.