The State Bank of India increased its base lending rates by 0.1% to 8.6% and its benchmark prime lending rate by 0.25% to 12.5%, effective July 1, 2010. This will likely increase monthly installments on existing home and auto loans by about Rs 16 per lakh for a 20-year loan. Additionally, SBI's upcoming bond issues were priced at 9.5% for 15 years and 9.25% for 10 years. Inflation rose slightly in September as food prices increased, prompting calls for action from the central bank. Wholesale price inflation increased to 8.62% in September from 8.51% in August.