To print yard signs at Sign Guys, the fee can be represented as 3.4c + 16, where c is the cost of ink, in dollars. The charges for another sign printer, Signs R Us, can be represented as 2.4(c + 7). If the total cost of printing a sign is the same for each company, find the cost of printing a sign. Round the answer to the nearest dollar.
A. $19
B. $29
C. $70
D. $128
