Question 25 points Based on the theory of constraints, investments equal the sum of material costs in direct materials, work in process, and finished goods inventories: RSD costs and capital costs of equipment and buildings the sum of material costs in direct and indirect materials, work in process, and finished goods inventories RAD costs and full costs the sum of material costs in direct pd indirect materials, work in process, and finished goods inventories, R&D costs and business function costs the sum of material costs in direct materials, work-in-process, and finished goods inventories, R&D costs, sunk costs, full costs, and business function costs