CBE platform spreadsheet use

Hi
Hope someone can guide me on this

When I copy and past the FS in to the spreadsheet to perform analytical procedures. The formulas are giving wrong answers
Can someone explain why this is happening please.

Revenue 725,000 650,000
Cost of sales (463,000) (417,500)
Gross profit (1,000) –
Other income – rental income 200 150
Operating expenses (250,000) (225,000)
Operating profit (1,000) –
Net finance cost (1,000) (1,000)
Profit before tax – –
Income tax expense (1,500) (1,000)