Piatt Company Expects Cash Sales for July of $16,000, and a 23

Piatt Company expects cash sales for July of $16,000, and a 23% monthly increase during August and September. Credit sales of $1400 in July should be followed by 29% increases during August and September. What are budgeted cash sales and budgeted credit sales for September respectively?

A) $20,640 and $1722
B) $13,008 and $1085
C) $19,680 and $1806
D) $24,206 and $2330