The Tri Ken Corporation incurred $3,000 to produce the following products in a joint production process

	Product T	Product K
Quantity produced and processed beyond splitoff point	130 units	390 units
Separable costs	$1,000	$1,460
Selling price of a fully processed unit	$40	$10

Required:

Compute the amount of joint costs using:

1. physical measures method

2. sales value at split off method

3. NRV method

4. Constant gross margin method