friends i am posting ratio analysis answers here please check it and correct it if i am wrong

2012
part a
(1) current assets = 200,000
(2) inventory = 60,000
(3)net sales = 360,000
(4) gross profit = 72000

part b

(1)working capital = 500,000
(2)current ratio = 3
(3)quick ratio = 2.4
(4) inventory turnover ratio = 4 times
(5)accounts receivable turnover = 5 times
(6) gross profit percentage = 70.41%
(7) net profit percentage = 37.53%
(8)operating expenses rate = 62.47%