Cloudberries can be ordered from a farm in Europe, but shipping to the U.S. can be quite expensive. Shipping costs $3.50 for each kilogram of berries ordered. In addition, there is a customs charge of $12 for every order.
Which equation reflects t, the total cost of ordering a x kilograms of berries that sell for $5.00 per kilogram?

A. t=x($5.00 + $3.50)+ $12.00
B. t=x($5.00 + $3.50+ $12.00)
C. t=x($3.50 + $12.00)+ $5.00
D. t=$3.50x + ($12.00 + $5.00)