Refer to Exhibit 20-9. In the no specialization-no trade case, country X produces and consumes 100 units of good A and 10 units of good B. Country Y produces and consumes 10 units of good A and 20 units of good B. If the two countries specialize and trade, and the actual amounts traded are 20 units of good A for 16 units of good B, how many more units of good A will country X consume by specializing and trading?

After graduation, you plan to work for dynamo corporation for 12 years and then start your own business. you expect to save and deposit $7,500 a year for the first 6 years (t = 1 through t = 6) and $15,000 annually for the following 6 years (t = 7 through t = 12). the first deposit will be made a year from today. in addition, your grandfather just gave you a $32,500 graduation gift which you will deposit immediately (t = 0). if the account earns 9% compounded annually, how much will you have when you start your business 12 years from now?