What is the difference in fair value between current assets and fixed assets?
{"Current assets": {"Fair value": 534, "(in years)": "N/A"}, "Fixed assets": {"Fair value": 23, "(in years)": "N/A"}, "Liabilities": {"Fair value": -88, "(in years)": "N/A"}, "Deferred revenue": {"Fair value": -700, "(in years)": "N/A"}, "Customer relationships": {"Fair value": 600, "(in years)": 5}, "Core/developed technology": {"Fair value": 16600, "(in years)": 5}, "Deferred tax liability, net": {"Fair value": -4440, "(in years)": "N/A"}, "Goodwill": {"Fair value": 36514, "(in years)": "Indefinite"}, "": {"Fair value": 49043, "(in years)": ""}}
current_assets_fair_value = df["Current assets"]["Fair value"]
fixed_assets_fair_value = df["Fixed assets"]["Fair value"]
answer = current_assets_fair_value - fixed_assets_fair_value