Answer:
Because of many uses
[Main incomes]
1) live livestock, 2) Dairy products
[Sub-incomes:]
1) handicrafts, 2) selling male shoats, 3) manure, 4) wool
[Main expenditures:]
1) supplementary fodder, 2) treatment and vaccination, 3) shepherd/s salary
[Sub-expenditures:]
1) Renting farmland, 2) Shearing (Labor, tools), 3) Milking (Labors, Tools), 4) Movements (trucks etc.), 5) Bath (Labor, chemicals)
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