Computer Programming Concepts and Visual Basic David I. Schneider

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4. At the end of each month, a credit card company constructs the table in Figure
2-32 to summarize the status of the accounts. Write a program to produce this
table. The first four pieces of information for each account should be read from
a data file. The program should compute the finance charges (1.5 percent of the
unpaid past due amount) and the current amount due. Format the last column to
be aligned right.
FIGURE 2-32 Status of Credit Card Accounts
5. Table 2-11 gives the distribution of the U.S. population (in thousands) by age
group and sex. Write a program to produce the table shown in Figure 2-33. For
each age group, the column labeled %Males gives the percentage of the people
in that age group that are male, similarly for the column labeled %Females. The
last column gives the percentage of the total population in each age group.
Note: Store the information in Table 2-11 in a data file. For instance, the first
line in the file should be “Under 20”, 39168, 37202. Read and add up the data
once to obtain the total population, and then read the data again to produce the
table.)
TABLE 2-11
U.S. Resident Population in Thousands (1996)
Age Group Males Females
Under 20 39,168 37,202
20–64 76,761 78,291
Over 64 13,881 19,980
U.S. Population (in thousands)
Age group Males Females %Males %Females %Total
Under 20 39,168 37,202 51.29% 48.71% 28.79%
20-64 76,761 78,291 49.51% 50.49% 58.45%
Over 64 13,881 19,980 40.99% 59.01% 12.76%
FIGURE 2-33 Output of Programming Project 5
6. Write a program to convert a U.S. Customary System length in miles, yards,
feet, and inches to a Metric System length in kilometers, meters, and centimeters.
A sample run is shown in Figure 2-34. After the number of miles, yards,
feet, and inches are read from the text boxes, the length should be converted
entirely to inches and then divided by 39.37 to obtain the value in meters. The
Int function should be used to break the total number of meters into a whole
Programming Projects 69