As of May 30, 2009, the debt service fund of Cody had accumulated $52,000 of assets in a debt service fund to pay the principal of its currently maturing serial bonds. On June 1, 2009, $50,000 of serial bonds matured and were paid with the resources accumulated in the debt service fund. In Cody's debt service fund, Matured Bonds Payable was debited for $50,000 and: A. Cash was credited for $50,000. B. Due to General Fund was credited for $50,000. C. Investments was credited for $50,000. D. Reserve for Encumbrances was credited for $50,000.