Highlife corporation has the following information: average demand = 30 units per day average lead time = 40 days item unit cost = $45 for orders of less than 400 units item unit cost = $40 for orders of 400 units or more ordering cost = $50 inventory carrying cost = 15 percent the business year is 300 days. standard deviation of demand during lead time = 90 desired service level = 95 percent what is the safety stock that highlife corporation should carry for its desired service level of 95 percent? 1.28 standard deviations cover 90 percent 1.65 standard deviations cover 95 percent 1.96 standard deviations cover 97.5 percent

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96