Instiq
Chapter 6 · Strategy·v1.0.0·Updated 7/9/2026·~15 min

What's changed: Initial version

6.4Corporate Activity and Legal Affairs

Key points

Learn forms of corporate organization, the fundamentals of accounting including the income statement, balance sheet, and break-even point, OR/IE that treat inventory and planning mathematically (linear programming, hypothesis testing, the seven QC tools), intellectual property rights such as copyright and industrial property rights, security regulations such as the Act on the Protection of Personal Information, labor and trade regulations such as the Act on Proper Subcontracting Transactions(renamed) and the Worker Dispatch Act, and standardization via ISO/JIS.

Corporate activity and legal affairs rest on two pillars: the ability to read numbers (accounting, OR/IE) and the ability to follow the rules (intellectual property rights, various regulations). Even as an IT engineer, you often need to judge a project's profitability numerically, or properly handle rights around outsourced work and deliverables—at the associate level these are tested through practical judgment.

6.4.1Corporate organization and accounting

  • Corporate organization is the structure for decision-making and executing work. Forms include a functional organization, which divides departments by function; a divisional organization, which creates independently accounting units by product/region/customer; and a matrix organization, which layers cross-functional project teams atop the normal chain of command.
  • The income statement (P/L) is a financial statement showing revenue, expenses, and the profit that is their difference over a period. The balance sheet (B/S) is a financial statement showing the balance of assets, liabilities, and net assets at a point in time (assets = liabilities + net assets). Distinguish P/L as "performance over a period" from B/S as "financial position at a point in time."
  • The break-even point is the sales revenue or unit volume at which sales revenue and total cost (fixed cost + variable cost) exactly match, making profit zero. Break-even sales revenue = fixed cost / (1 - variable cost ratio). Reducing fixed cost or lowering the variable cost ratio lowers the break-even point, making the business less prone to loss. At the associate level, questions have you calculate and judge the break-even point from concrete figures, such as assessing the payoff of a new system investment.

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