Hi-Fi Cooperation Ltd produces a wide range of electronic components including its best-selling item, the Laser Switch. The company is preparing the budgets for 2019 and knows that the key element in the master budget is the contribution expected from the Laser Switch. The records for this component for the past four years are summarised below, with the cost and revenues adjusted to 2018 values

	2015	2016	2017	2018
Sales units	150 000	180 000	200 000	230 000
	(N$)	(N$)	(N$)	(N$)
Sales revenue	293 000	346 000	362 000	448 000
Variable costs	131 000	162 000	178 000	200 000
Contribution	162 000	184 000	184 000	248 000

It has been estimated that sales in 2019 will be 260 000 units.

Requirement:

Using the linear regression method, determine the contribution at planned output of 260 000 units