Which is a fixed cost? a. rent b. labor c. raw materials d. heating fuel

Option A, Rent

Explanation:

Rent is the fixed cost.  

Cost of any input item in production of an entity that does not vary with the amount of produce is called as fixed cost.

For example -

If an industry that has taken a land on rent for $100/month, intends to produce 100 glass vases per month.  

Now if suddenly the management decides to reduce the production up to 50 glass vase per month, then cost of all raw material except the rent will remain the same irrespective of the quantity of produce.  

Hence, rent is the fixed cost.

the answer will be a) proteins i believe

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u