Which of the following is true?a. Currently, the food and fiber sector accounts for about 12% to 15% of gross domestic product (GDP). b. Off-farm income is important to agricultural producers today. c. Twenty percent of farmers produce 80% of the agricultural output in the food and fiber industry. d. The food and fiber industry is responsible for one out of every ten jobs.

b. Off-farm income is important to agricultural producers today.

c. Twenty percent of farmers produce 80% of the agricultural output in the food and fiber industry.

Explanation:

The food and fiber industry is divided into 4 main sectors:

In the US, the food and fiber industry represents approximately 5.4% of GDP. It employs roughly around 21 million workers (including direct and indirect employment). The food and fiber industry is a net exporter, since it exports more than it imports. Currently, most farming value is concentrated on large farms, where smaller farms generally produce more livestock output while larger farms produce crops.

After WW2, there has been a tendency to substitute labor for capital, and to have more larger farms and less smaller ones.

a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.