Can you help me this assignment please?

please refer to the photo

Output per hour of work Production and Consumption without Trade Production with Trade Swords 200 Estonia Morocco Swords 5 3 Belts 2 3 Swords 100 60 Belts 40 60 Belts 120 Estonia and Morocco can produce both swords and belts. Each country has a total of 40 available labor hours for the production of swords and belts. The table above shows the output per hour of work, the production and consumption quantities without trade, and the production numbers with trade. With trade, what is the total gain in belt production? 20 O B. 40 @ c. 60 0 D. 120