Answer:
Income = $30,000
Explanation
Whenever a company is faced with a limiting factor i.e a resource in short supply, the company should allocate the resource to the product with he highest contribution per unit of the scare resource
Product Cont/unit machine hr /unit cont/hr Ranking
A $8 2 hrs $4/hr 2nd
B $18 3 hrs $6/hr 1st
Hence the company should allocate the resource to the product B
Hence the total contribution
= 5000 hrs × $6 per hr.
= $30,000
Income = $30,000