More formal plans as used for business and military purposes, while initially created with and as an abstract thought, are likely to be written down, drawn up or otherwise stored in a form that is accessible to multiple people across time and space. This allows more reliable collaboration in the execution of the plan.
Key ECB interest rates. The Governing Council of the ECB sets the key interest rates for the euro area: The interest rate on the main refinancing operations (MRO), which provide the bulk of liquidity to the banking system.
What is Internal Rate of Return. In the language of finance, internal rate of return is the discount rate (or the firm's cost of capital, that forces the present value of the cash inflows of the project to equal the initial investment which is equivalent to forcing the net present value of the project to equal $0. Pretty confusing.