Activity 1 In the razorsandblades. xlsx file example, suppose the cost to produce a blade is $0.20. If you charge $0.35 for a blade, a customer buys an average of 50 blades from you. Assume the price elasticity of demand for blades is 3. What price should you charge for a razor and for a blade?

Find the interest rate for a $4000 deposit accumulating to $5234.58, compounded quarterly for 9 years

What is the difference between total utility and marginal utility? a. marginal utility is subject to the law of diminishing marginal utility while total utility is not. b. total utility represents the consumer optimum while marginal utility gives the total utility per dollar spent on the last unit. c. total utility is the total amount of satisfaction derived from consuming a certain amount of a good while marginal utility is the additional satisfaction gained from consuming an additional unit of the good. d. marginal utility represents the consumer optimum while total utility gives the total utility per dollar spent on the last unit.

Brokers such as paypal benefit online businesses because they do not charge fees like credit cards. they deliver the money to the business immediately. they cannot store credit card numbers. the business does not have to get an account with credit-card companies.