An engineer in 1950 was earning a $6,000 a year. Today she earns$60,000 a year. However, on average, goods today cost 8.8 times what they did in 1950. What is her real income today in terms of constant 1950 dollars?

Using Section A from the $2011$ Tax Computation Work Sheet, we see that the tax on $\$ 140,000$ for a single person is $\$32,817$. Compare this tax to the amount of tax required for a married person filing separately and earning $1$40,000$ in the tax worksheet.

Use the table to find the rate of change.

$$\begin{matrix} \text{Hours} & \text{2} & \text{4} & \text{6} & \text{8}\\ \text{Earning} & \text{13.50} & \text{27} & \text{40.50} & \text{54}\\ \end{matrix}$$

Using Section A from the $2011$ Tax Computation Work Sheet, we see that the tax on $\$ 140,000$ for a single person is $\$32,8 17$. Compare this tax to the amount of tax required for a married person filing separately and earning $\$140,000$ in the tax worksheet.

Draw a graph that shows a monopolist earning a profit. Be sure your graph includes the monopolist’s demand, marginal revenue, average total cost, and marginal cost curves. Be sure to indicate the profit-maximizing level of output and price.

Consider making monthly deposits of P dollars in a savings account earning an annual interest rate r. Find the balances A after t years when the interest is compounded (a) monthly and (b) continuously. $P=\$ 20, r=6 \%, t=50 \text { years }$

You worked 38 hours waiting tables at a restaurant last week, earning $8.75 per hour. In addition, you received$326.86 in tips for the week. How much money did you make per hour, including tips?

Is $\sum_{k=0}^{\infty} x^{2 k}$ a power series? If so, find the center a of the power series and state a formula for the coefficients $c_{k}$ of the power series.

Suppose you deposit $\$ 1000$ in an account earning $6 \%$ interest. You make no further deposits to the account and interest is compounded semiannually. What is the balance after $5$ years?

F. $\$538.62$

G. $\$1006.00$

H. $\$1343.92$

J. $\$1790.85$

Discuss the basic strategy for comparing the means of two populations based on a simple random paired sample.

Sleek Sneakers Co. is one of many firms in the market for shoes.

Assume that Sleek is currently earning short-run economic profits. On a correctly labeled diagram, show Sleek’s profit-maximizing output and price, as well as the area representing profit.

Using complete sentence, answer the following question.
Name three different kinds of basic needs of children.

Present Value $[\mathrm{LO} 2]$ The basic present value equation has four parts. What are they?

For the following exercise, use the compound interest formula, $A(t)=P\left(1+\frac{r}{n}\right)^{n t}$.
How much more would the account in Exercises $\# 31$ and #34 be worth if it were earning interest for 5 more years?