Aunty Helen was worried about COVID's impact on her restaurant. After hearing her description, you figure it might be a good start to separate out fixed and variable costs. However, Aunty Helen only have the following information:

• the high month for food cost is in July, with a sales revenue of $70,000, and a food cost of $18,000
• the low month for food cost is in April, with a sales revenue of $24,000, and a food cost of 6000
• What is the restaurants high months variable cost for food?