Labour's finance spokesperson Barbara Edmonds addressed discrepancies in savings estimates related to the party's Investment Boost plan. The issue arose after Willis, a financial analyst, questioned the accuracy of the projected savings. Edmonds explained that the Labour government's figures differ from the Treasury's original cost estimates. She emphasized that the Labour calculation includes additional factors not considered in the initial Treasury assessment. The debate highlights differences in economic modeling approaches between the two bodies. Edmonds defended the Labour method as more comprehensive. The Treasury has not yet responded to the clarification. The discussion comes amid ongoing debates over fiscal policy and economic planning.