Based on the following data, what is the amount of quick assets?

Accounts payable $$30,000$

Accounts receivable $45,000$

Accrued liabilities $7,000$

Cash $20,000$

Intangible assets $40,000$

Inventory $72,000$

Long$-$term investments $100,000$

Long$-$term liabilities $75,000$

Notes payable $($short$-$term$)20,000$

Property, plant, and equipment $625,000$

Prepaid expenses $2,000$

Temporary investments $36,000$