Based on the data in the table, answer the question.
Table-1: Company-wise Sale of Buses

Table-2: Model-wise Sales of Buses by Company A

If the number of buses sold by F is 40000 in FY 2019-20 and the percentage growth in sale of buses is 12½% in FY 2020-21, then how many units have been sold by B in FY 2020-21?