The budgets shall contain:
(1) separately for each county for which items are allocable and for which a tax is imposed, the proposed expenditures and estimates of anticipated revenue;
(2) a complete planning work program for each county in the regional district, including a schedule for the production of all plans and amendments;
(3) items allocable jointly to both counties, including provisions for:
(i) the operation of the units of the Commission established by law; and
(ii) the regional planning program; and
(4) a schedule of recreation activities and programs for Prince George’s County in accordance with § 25-806 of this article.