Which of the following is true with regard to nafta?

a. today mexico, canada, argentina, brazil, and the united states are party to this agreement.
b. nafta has increased trade between canada, mexico, and the united states.
c. it is largely seen to be the reason behind reduced labor productivity in mexico.
d. the galã¡pagos declaration effectively launched the nafta and the provisions of contents of the nafta.
e. on average, studies indicate that naftaâs overall impact has been extremely large, but negative.

Skychefs, inc. prepares in-flight meals for a number of major airlines. one of the company's products is grilled salmon in dill sauce with baby new potatoes and spring vegetables. during the most recent week, the company prepared 4000 of these meals using 960 direct labor hours. the company paid these direct labor workers a total of $19,200 for this work, or $20.00 per hour. according to standard cost card for this meal, it should require 0.25 direct labour-hours at a cost of $19.75 per hour.1. what is the standard labor-hours allowed (sh) to prepare 4,000 meals? 2. what is the standard labor cost allowed (sh x sr) to prepare 4,000 meals? 3. what is the labor spending variance? 4. what is the labor rate variance and the labor efficiency variance?