Bob contracts with Ace Plumbing, Inc., to pay $700 over a six-month period for its services. After Ace performs, they sign an accord, in which Bob promises to pay Ace $500 next week in lieu of the $700. Bob does not pay the $500. Ace can bring an action against Bob based on.

When marietta chooses to only purchase a combination of goods that lie within her budget line, she: is decreasing utility. is maximizing utility. likely has negative savings. must reduce the quantity?

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Atlas manufacturing produces a unique valve, and has the capacity to produce 50,000 valves annually. currently atlas produces 40,000 valves and is thinking about increasing production to 45,000 valves next year. what is the most likely behavior of total manufacturing costs and unit manufacturing costs given this change? a. total manufacturing costs will increase and unit manufacturing costs will also increase. b. total manufacturing costs will stay the same and unit manufacturing costs will stay the same. c. total manufacturing costs will increase and unit manufacturing costs will decrease. d. total manufacturing costs will increase and unit manufacturing costs will stay the same.