Hickory Manufacturing Company forecasts the following demand for a product (in thousands of units) over the next five years.

Year	1	2	3	4	5
Forecast demand	55	73	75	77	77

Currently the manufacturer has six machines that operate on a two-shift (eight hours each) basis. Thirty days per year are available for scheduled maintenance of equipment with no process output. Assume there are 250 workdays in a year. Each manufactured good takes 20 minutes to produce.

What is the effective capacity of the factory? Round your answer down to the nearest whole number.

units/year

Given the five-year forecast, how much extra capacity is needed each year? Use a minus sign to enter an answer, if there is excess capacity. Round your answers to the nearest whole number.

Year	1	2	3	4	5
Extra capacity needed (units)

Does the firm need to buy more machines? If so, how many? When? If your answer is zero, enter "0". Round your answers up to the nearest whole number.

Year	1	2	3	4	5
Additional machines needed