Oct 7 (Reuters) - Tesla has introduced more budget-friendly versions of its popular Model Y SUV and Model 3 sedan. Priced at $39,990 and $36,990 respectively, these new models aim to attract new buyers, though some critics feel the prices are still too high to appeal broadly to cost-conscious consumers. CEO Elon Musk has previously emphasized the importance of offering a car priced under $30,000—after incentives—to capture a larger share of the market. The company is responding to declining