; and for cooperative agreements; $225,835,000: Provided , That notwithstanding any other provision of law, funds appropriated under this heading may be used for advertising and promotional activities that support the Rural Development mission area: Provided further , That any balances available from prior years for the Rural Utilities Service, Rural Housing Service, and the Rural Business—Cooperative Service salaries and expenses accounts shall be transferred to and merged with this appropriation. Rural housing service Rural housing insurance fund program account (including transfers of funds) For gross obligations for the principal amount of direct and guaranteed loans as authorized by title V of the Housing Act of 1949, to be available from funds in the rural housing insurance fund, as follows: $1,000,000,000 shall be for direct loans and $24,000,000,000 shall be for unsubsidized guaranteed loans; $26,278,000 for section 504 housing repair loans; $35,000,000 for section 515 rental housing; $230,000,000 for section 538 guaranteed multi-family housing loans; $10,000,000 for credit sales of single family housing acquired property; $5,000,000 for section 523 self-help housing land development loans; and $5,000,000 for section 524 site development loans. For the cost of direct and guaranteed loans, including the cost of modifying loans, as defined in section 502 of the Congressional Budget Act of 1974, as follows: section 502 loans, $38,500,000 shall be for direct loans; section 504 housing repair loans, $3,240,000; repair, rehabilitation, and new construction of section 515 rental housing, $9,209,000; section 523 self-help land development loans, $368,000