f is formatted output. The format specifier is a parameter of the printf function. The parameters of printf can also vary in use hence printf is variadic: printf( %3.2f\n, someNumber ); //prints a float 3 digits wide and 2 decimal places in precision.
As a result, fixed costs are sometimes called period costs. Some fixed costs are incurred at the discretion of a company's management, such as advertising and promotional expense, while others are not. It is important to remember that all non-discretionary fixed costs will be incurred even if production or sales volume falls to zero.
Almost any type of business-related advertising is a currently deductible business operating expense. You can deduct advertising to sell a particular product or service, to help establish good will for your business, or just to get your business known. Advertising includes expenses for: 1  business cards. 2  brochures. 3  advertisements in the local yellow pages.