勘察设计合同实行定金担保制度，根据《建设工程勘察设计合同条例》的规定，勘察合同的定金应为勘察费的( )。

A．20%
B．25%
C．30%
D．35%

A company, Chauncy Co., has an annual travel budget of $55,000. The accounting department estimates that transportation expenses Will increase 5 percent in the coming year, and nontransportation travel expenses will increase by 15 percent in the coming year. Last year, Chauncy Co. spent $19,500 on transportation-related expenses, and $35,000 on nontransportation travel expenses. If the annual travel budget does not increase this year, and if the accounting department’s estimates are correct, how far over the annual travel budget will expenses be this year ？（）

A. Expenses will not go over the budget.

B. $5O0

C. $4,225

D. $5,725

E. $60,725