Roxy operates a dress shop in arlington, virginia. lisa, a maryland resident, comes in for a measurement and purchases a $2,300 dress. lisa returns to virginia a few weeks later to pick up the dress and drive it back to her maryland residence where she will use the property. assuming that virginia's sales tax rate is 5 percent and that maryland's sales tax rate is 6 percent, what is roxy's sales tax liability?

Retirement investment advisors, inc., has just offered you an annual interest rate of 4.4 percent until you retire in 40 years. you believe that interest rates will increase over the next year and you would be offered 5 percent per year one year from today. if you plan to deposit $13,000 into the account either this year or next year, how much more will you have when you retire if you wait one year to make your deposit?