Calculation is a type of Planning. Planning is related to Prepare. Prepare is a type of Educate. Educate is a synonym of School. 
Depict is a synonym of Render. Render is a synonym of Earn. Earnings is derived from Earn. Earnings is related to Interest. 
Calculation --IsA--> Planning <--RelatedTo--> Prepare --IsA--> Educate <--Synonym--> School 
Depict <--Synonym--> Render <--Synonym--> Earn <--DerivedFrom-- Earnings <--RelatedTo--> Interest 