会社の利益を最大化することが経営者の仕事だ

N5 会社 kaisha company N3 利益 rieki profit, benefit, gain N3 大 dai big, large, great N5 する suru do, perform, try N3 経営 keiei management, administration, business operation N3 者 mono person, someone, individual N5 仕事 shigoto work, job

N4 者 sha / mono someone, person, personne N4 仕 shi, ji / tsuka.eru attend, doing, official N4 事 ji, zu / koto, tsuka.u, tsuka.eru matter, thing, fact

N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜を o Marks the direct object of an action, appears before the verb, shows what receives the action N5 〜と to Indicates company, quotation, natural condition, complete list, or direct connection between elements N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase