Given a nominal interest rate of 5 percent, in which of the following cases would you earn the highest after-tax real rate of interest? a. inflation is 3 percent; the tax rate is 15 percent. b. inflation is 2 percent; the tax rate is 40 percent. c. inflation is 1 percent; the tax rate is 50 percent. d. the after-tax real interest rate is the same for all of the above.

An allergy products superstore buys 6000 of their most popular model of air filters each year. the price of the air filters is $18. the cost of ordering and receiving shipments is $12 per order. accounting estimates annual carrying costs are 20% of the price. the supplier lead time is 2 days. the store operates 240 days per year. each order is received from the supplier in a single delivery. there are no quantity discounts. what is the store’s minimum total annual cost of placing orders & carrying inventory?

In 2018, laureen is currently single. she paid $2,800 of qualified tuition and related expenses for each of her twin daughters sheri and meri to attend state university as freshmen ($2,800 each for a total of $5,600). sheri and meri qualify as laureen’s dependents. laureen also paid $1,900 for her son ryan’s (also laureen’s dependent) tuition and related expenses to attend his junior year at state university. finally, laureen paid $1,200 for herself to attend seminars at a community college to her improve her job skills.what is the maximum amount of education credits laureen can claim for these expenditures in each of the following alternative scenarios? a. laureen's agi is $45,000.b. laureen’s agi is $95,000.c. laureen’s agi is $45,000 and laureen paid $12,000 (not $1,900) for ryan to attend graduate school (i.e, his fifth year, not his junior year).

Perform a goal seek analysis to find a packing weight that will bring the shipping weight of the retro fit clothing set down to 39.75 lbs. use cell i9 as the cell to set, 39.75 as the target value, and cell f5 as the changing cell. keep the values generated by the goal seek analysis as the value for cells f5, i9, and i10.