Question: Please advise how can we separate 100 % business expenses to (80% business and 20% private use).

Answer; If by using the Import function of LodgeiT, please separate the accounts for business use and personal use and reimport again. Then check on the mapping to indicate if the expense is for personal or business.

If via LodgeiT depreciation tools, record it separately 

Create a set of

Group Asset and Asset

Business as 80%

Other as Private 20%

Tax Form - 

While, the 80%  via "Business"  > Depreciation 

If No Business, set up as follows

Make sure to activate - 

Work used 20% = $282 under D5
Personal/private used 80% = $1129 under D15