Please please help me i have exam now

Following are data extracted data from financial statement for Yen Inc.as of December 31, 2019
Inventory
Long-term debt
Accumulated depreciation machine
Cash
Net sales
Net Equity
Accounts receivable
Rent payable
Utilities payable
Notes payable-current
Cost of goods sold
Plant and equipment
Machines
Accounts payable
Marketable securities
$400,000
$1,630,000
$150,000
$100,000
$2,000,000
$1,000,000
$400,000
$25,000
$10,000
$200,000
$1,100,000
$1,400,000
$800,000
$200,000
$80,000
Based on the information given, calculate: (a) Quick ratio (b) Average Collection Period () Inventory
Turnover (d) Gross Profit Margin (e) Return on Equity