You must understand fixed overhead expenses in order to understand absorption costing and variable costing. Fixed overhead consists of expenses that do not change with your level of production. Examples of fixed overhead include rent, insurance, wages for permanent full-time employees, and lease payments on equipment.
Whereas it may be safe to start a horse as early as two years of age, you must reasonably moderate the demands you are about to place on the developing horse. One hour of riding work may be just fine for a fully developed horse, but it is most often unacceptable for a two-year old.
She will be 18-24 months old before she is ready for breeding. A male should be 18 months of age prior to being allowed to breed. This allows time to determine if he is healthy and suitable for breeding.