At Sound Off!, a store that buys and sells used CDs, there is only one general partner, Sonia. She spends all her time running the business, and makes all the decisions. Sonia's mother and brother put up money for her to buy the store, but they work full time at other jobs and have no management say in the running of Sound Off!, but share in some of the profits. This is an example of a ___.

Suppose either computers or televisions can be assembled with the following labor inputs: units produced 1 2 3 4 5 6 7 8 9 10 total labor used 3 7 12 18 25 33 42 54 70 90 (a) draw the production possibilities curve for an economy with 54 units of labor. label it p54. (b) what is the opportunity cost of the eighth computer? (c) suppose immigration brings in 36 more workers. redraw the production possibilities curve to reflect this added labor. label the new curve p90.