DEF Corporation's financials for the year ending 30-06-2023 are as follows:

Assets:

Cash: $3,00,000

Accounts Receivable: $5,50,000

Inventory: $8,50,000

Prepaid Expenses: $40,000

Short-term Investments: $4,50,000

Liabilities and Equity:

Accounts Payable: $6,00,000

Short-term Loans: $3,00,000

Long-term Debt: $8,20,000

Common Stock: $12,50,000

Retained Earnings: $7,30,000

Income Statement for the year ending 30-06-2023:

Sales: $64,00,000

Cost of Goods Sold: $38,00,000

Operating Expenses: $10,50,000

Interest Expense: $2,30,000

Tax Rate: 31%

Requirements:

Calculate the quick ratio.

Calculate the debt to equity ratio.

Calculate the return on equity.

Calculate the gross profit margin.

Calculate the average collection period (assuming 365 days in a year).