=705000×97%

=683850 (yuan) A: Buying this house requires a one-time payment of 683850 yuan.

683850×3%=205 15.5 (yuan) A: The deed tax of this house of Mingmingjia is 205 15.5 yuan.

Extension of this topic: Mingming bought a house of 14 1 square meter, and you can enjoy a 97% discount if you pay 5000 yuan per square meter in one lump sum. According to local standards, if the average house exceeds 140 square meters, the deed tax of 3% of the total house price shall be paid. If you choose a one-time payment, how much deed tax should you pay for this house? How much does it cost to buy this house in one lump sum? Note: the deed tax has been paid, which is calculated according to the actual amount paid × deed tax interest rate, so the deed tax this time = 683,850× 3%.