Business
Palabras clave
summing,
billing,
buttons,
calculate,
calculating machine,
detail,
electronic,
mathematic,
mathematic,
multiply,
number,
technology,
red,
office,
paper,
money,
currency,
mao,
finance,
financial,
pay,
exchange,
spend,
bank,
banknote,
cash,
stock,
pen,
write,
writing,
record,
2011,
up,
business,
trend,
graph