A piano tuner replaced two strings and four felts in a piano and then tuned it. He charged $10.35 each for the strings and$3.45 each for the felts. He also charged $75 to tune the piano. A state tax rate of 5.5 % was applied to everything but the tuning. What was the sales tax? What was the total bill?

Fill in the blank with the word or words that best completes the statement.

The Internet allows you to send, or ___ files to others on the Internet

The problem is complex financial problems that require several skills, perhaps some from previous sections.

A small business owner contributes $\$ 3000$ at the end of each quarter to a retirement account that earns $8 \%$ compounded quarterly.

(a) How long will it be until the account is worth $\$ 150,000$?

(b) Suppose when the account reaches $\$ 150,000$, the business owner increases the contributions to $\$ 5000$ at the end of each quarter. What will the total value of the account be after $15$ more years?

Explain the difference between an ordinary annuity and an annuity due.

A piano is priced at $2,589 in a state with a 4.5 % sales tax. What is the sales tax amount? What is the total cost of the piano?

Find the present value of an annuity due that pays $\$ 3000$ at the beginning of each quarter for the next $7$ years. Assume that money is worth $5.8 \%$ compounded quarterly.

Fill in the blank with the word or words that best completes the statement.

Amounts charged to connect to the Internet are called (a, an) ___.

(a) decide whether the problem relates to an ordinary annuity or an annuity due and then (b) solve the problem.

A company wants to have $\$ 40,000$ at the beginning of each $6$-month period for the next $4 \frac{1}{2}$ years. If an annuity is set up for this purpose, how much must be invested now if the annuity earns $6.68 \%$ compounded semiannually?

Fill in the blank with the word or words that best completes the statement.

The Internet allows you to copy, or ___ files to your computer from the Internet

Fill in the blank with the word or words that best completes the statement.

An item charged by states and cities on consumer purchases is (a, an) ___.

A 12-oz bottle of cleaning fluid costs $3.89. What is the unit price, to the nearest tenth of a cent?

Henry Schultz wants to buy a car that costs $18,980 in a state with a 6.25 % sales tax. How much sales tax will he pay?

Find the present value of an annuity due that pays $\$ 25,000$ every $6$ months for the next $2 \frac{1}{2}$ years if money is worth $6.2 \%$ compounded semiannually.

What is the extension of 34 sets of dishes @ $129.85?