Hewitt Company expects cash sales for July of $15,000, and a 20% monthly increase during August and September. Credit sales of $13,000 in July should be followed by 34% increases during August and September. What are budgeted cash sales and budgeted credit sales for September respectively? (Round final answers to the nearest dollar.) O A. $18,000 and $17,420 B. $12,500 and $9,701 C. $21,600 and $23,343 D. $20,100 and $15,600