A certain debt will be paid in 52 installments from January 1 to December 31 of a certain year. Each of the first 25 payments is to be $500; each of the remaining payments is to be $100 more than each of the first 25 payments. What is the average (arithmetic mean) payment that will be made on the debt for the year?	Choose the correct choice from the following answers:
A) 500	B) 450	C) 552	D) 600	E) 400
Total = 500(25) + 600(27)   Number of installments = 52   Average = Total/Number of installments = 552 approximately   Answer: 552
<result>C</result>
A certain debt will be paid in 52 installments from January 1 to December 31 of a certain year. Each of the first 25 payments is to be $500; each of the remaining payments is to be $100 more than each of the first 25 payments. What is the average (arithmetic mean) payment that will be made on the debt for the year?