Bixel Components manufactures products A1 and A2 from a joint process. Total joint costs are $480,000. The sales value at split-off was $520,000 for 5,700 units of product A1 and $120,000 for 2,600 units of product A2. Required: Assuming that total joint costs are allocated using the net realizable value at split-off approach, what amount of the joint costs was allocated to product A1? (Do not round intermediate calculations.) Joint cost of product A1