Joy's java café needs $4,000 cash per day for customer transactions. joy has a choice between going to the bank first thing on monday morning to withdraw $20,000 - enough cash for the whole week - or going to the bank first thing every morning for $4,000 each time. joy puts the cost of going to the bank at $3 per trip. assume that funds left in the bank earn precisely enough interest to keep their purchasing power unaffected by inflation. joy's java cafe is open 5 days a week for 50 weeks each year. when the inflation rate is 10% joy goes to the bank everyday instead of once a week. joy's annual shoe leather costs of inflation equal
a. $ 3
b. $150
c. $600
d. $750

Your mother's well-diversified portfolio has an expected return of 12.0% and a beta of 1.20. she is in the process of buying 100 shares of safety corp. at $10 a share and adding it to her portfolio. safety has an expected return of 15.0% and a beta of 2.00. the total value of your current portfolio is $9,000. what will the expected return and beta on the portfolio be after the purchase of the safety stock?

Steele bicycle manufacturing company currently produces the handlebars used in manufacturing its bicycles, which are high-quality racing bikes with limited sales. steele produces and sells only 10,000 bikes each year. due to the low volume of activity, steele is unable to obtain the economies of scale that larger producers achieve. for example, steele could buy the handlebars for $31 each: they cost $34 each to make. the following is a detailed breakdown of current production costs: after seeing these figures, steele's president remarked that it would be foolish for the company to continue to produce the handlebars at $34 each when it can buy them for $31 each. calculate the total relevant cost. do you agree with the president's conclusion?

Aproperty title search firm is contemplating using online software to increase its search productivity. currently an average of 40 minutes is needed to do a title search. the researcher cost is $2 per minute. clients are charged a fee of $400. company a's software would reduce the average search time by 10 minutes, at a cost of $3.50 per search. company b's software would reduce the average search time by 12 minutes at a cost of $3.60 per search. which option would have the higher productivity in terms of revenue per dollar of input?