The committee may, with the approval of the Secretary, establish or provide for the establishment of production research, marketing research and development projects designed to assist, improve or promote the marketing, distribution, and consumption or efficient production of avocados. Such products may provide for any form of marketing promotion, including paid advertising. The expenses of such projects shall be paid from funds collected pursuant to the applicable provisions of § 915.41, or from such other funds as approved by the USDA.