Zakat giver has a commercial building with market value of SAR 1,000,000 and a book value of SAR 500.000. The building earned annula total revenues of SAR 100,000 and incurred deductible expenses of SAR 20,000. Zak at giver will pay short tern liability of SAR 10,000. Required: Calculate zakat due if the market price per gram of our gold is SAR 200.