The rise in consumer purchases was driven by increased production reducing prices, the introduction of installment plans, and the mass-distribution of credit cards. All these factors made consumer goods more accessible. Therefore, the answer is 'all of the above.'
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The increase in consumer goods purchasing was driven by multiple factors including lower prices due to increased production, the use of installment plans, and the rise of credit cards. All these factors collectively enabled more consumers to afford goods. Therefore, the answer is 'all of the above.' ;