The derivative of the Investment Function with respect to the interest rate tells us: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a That the level of investment will decrease as the interest rate increases; ∂I/∂r<0 b That the level of investment will decrease as the interest rate increases; ∂I/∂r>0 c That the level of investment will increase as the interest rate increases; ∂I/∂r<0 d That the level of investment will increase as the interest rate increases; ∂I/∂r>0

Lindon company is the exclusive distributor for an automotive product that sells for $30.00 per unit and has a cm ratio of 30%. the company’s fixed expenses are $162,000 per year. the company plans to sell 20,200 units this year. required: 1. what are the variable expenses per unit? (round your "per unit" answer to 2 decimal places.) 2. what is the break-even point in unit sales and in dollar sales? 3. what amount of unit sales and dollar sales is required to attain a target profit of $72,000 per year? 4. assume that by using a more efficient shipper, the company is able to reduce its variable expenses by $3.00 per unit. what is the company’s new break-even point in unit sales and in dollar sales? what dollar sales is required to attain a target profit of $72,000?

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

An increase in the market price of men's haircuts, from $16 per haircut to $26 per haircut, initially causes a local barbershop to have its employees work overtime to increase the number of daily haircuts provided from 20 to 25. when the $26 market price remains unchanged for several weeks and all other things remain equal as well, the barbershop hires additional employees and provides 40 haircuts per day. what is the short-run price elasticity of supply? nothing (your answer should have two decimal places.) what is the long-run price elasticity of supply? nothing (your answer should have two decimal places.)