Porter's competitive strategies of cost-leadership and differentiation focus on markets, while the cost-focus and focused-differentiation strategies focus on markets.

Wide, Narrow

Explanation:

The reason is that the cost leadership and differentiation meets the needs and wants of the most of the consumer while the focused differentiation is Niche market strategy which satisfies a very small group of people and earn a lot of profits from them. So this is the one of the difference between the cost leadership & differenciation and focused differentiation strategies. Ford is pursuing cost leadership in America, Mercedes a differentiated strategy and the Bugatti and Royal Royce pursue focused differentiated strategy. So as a result we seee very fewer products of Bugatti and Royal Royce. The products of Mercedes are seen every day whereas ford can be every where in the American roads.

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.