Which of the Following Describes Working Capital? Working Capital Is

Which of the following describes working capital? Working capital is:

A) The start-up capital raised by a sole trader before he gives up his full-time employment to start in business.
B) The financing required for day-to-day running of a business.
C) The start-up capital provided in the form of loans and gifts from friends and relatives.
D) The financing invested in the long-term future of the business.