A store owner estimates that the average price of type A products will increase by 35% next year and that the price of type B products will increase by 20% next year. This year, the total amount aid for type A products was $3500 and the total price paid for type B products was $6300. According to the store owner's estimate, and assuming the number of products purchased next year remains the same as that of this year, how much will be spent for both products next year? Choose the correct answer.
A) $14,755	B) $15,325	C) $16,000	D) $12,285	E) $17,155
cost of type A products next year = 1.35 * 3500= 
<gadget id="calculator">1.35 * 3500</gadget>
<output>4_725</output>
4725   cost of type B products next year= 1.2 * 6300= 
<gadget id="calculator">1.2 * 6300</gadget>
<output>7_560</output>
7560   total 4725 + 7560= 
<gadget id="calculator">4725 + 7560</gadget>
<output>12_285</output>
12285   ANSWER:$12,285
<result>D</result>
A store owner estimates that the average price of type A products will increase by 35% next year and that the price of type B products will increase by 20% next year. This year, the total amount aid for type A products was $3500 and the total price paid for type B products was $6300. According to the store owner's estimate, and assuming the number of products purchased next year remains the same as that of this year, how much will be spent for both products next year?