Solve problem in excel and show your work.

Assume that last month China exported goods worth 350 billion yuan and imported goods worth 331.6 billion yuan. This month Chinas exports are 359.7 billion yuan and their imports are 366.9 billion yuan. Compute Chinas trade balance for each of the past two months separately. Over the entire period of the two months, did China experience a trade imbalance? Explain