Management Sciences Associates (MSA) based in Washington, D. C., is a marketing and computer research firm that handles consumer surveys for several clients. One client is a national press service that periodically conducts political polls on issues of widespread interest. In order to draw statistically valid conclusions on the sensitive issue of new U. S. immigration laws, in a survey for the press service, MSA determines that it must a. Survey at least 2,500 U. S. households in total. b. Survey at least 1,000 households whose heads are 30 years of age or younger c. Survey at least 500 households whose heads are between 31-50 years of age d. At least 15 percent of those surveyed must live in a state that borders on Mexico e. No more than 20 percent of those surveyed who are 51 or over can live in states that border on Mexico MSA decides that all surveys should be conducted in person. region category are as follows: It estimates that the costs of reaching people in each age and 9. Surveyed 11. Age 31-50 13. $68.0 16. $75.2 Cost Per Person Region State bordering Mexico State not bordering Mexico 10 12. Age 51 + 14. $55.50 17. $61.30 Age 0-30 $75.00 15. $69.00 MSA's goal is to meet the five sampling requirements at the least possible cost. determine the minimum cost?