There is mailing that has 1,439 pieces. 1,432 pieces are domestic mail pieces and 7 pieces are international mail.

Domestic postage = $0.412 International postage = $1.15

How much postage will this job require?

1432 pieces are domestic mail

1 Domestic postage is $0.412

So 1432 Domestic mail cost = 1432x 0.412

= $589.984

7 pieces are international mail

1 international postage is $1.15

So 7 international mail cost = 7X 1.15

= $8.05

So the total cost is $589.984 + 8.05

= $598.034