Marginal resource cost is: A) Determined by the marginal physical product schedule for an input B) A firm's cost of hiring one group of inputs, such as capital or labor C) The increase in a firm's total cost caused by hiring one additional unit of an input D) The firm's demand curve for a productive resource

C) The increase in a firm's total cost caused by hiring one additional unit of an input

Explanation:

Marginal resource cost is the increase in a firm's total cost caused by hiring one additional unit of an input. The marginal cost is that additional cost and it is calculated by the change in total cost divided by the change in the number of inputs. Other options are wrong because they are not defined marginal resources cost.

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.