What payment on August 19 is equivalent to a $1,000 payment on the preceding January 19, if the rate of interest is 4.5%?

Mr. Nolan's will specifies that the proceeds from his estate be divided among his wife, son, and stepson in the ratio of $\frac{7}{5}:1:\frac{5}{7}$ , respectively. How much will each receive from the distribution of his $331,000 estate?

In order to purchase another truck, Beatty Transport recently obtained a $50,000 loan for 5 years at 5.8% compounded semi-annually. The loan is structured to reduce the balance owing to $10,000 at the end of the five-year period. How much are Beatty's end-of-month loan payments?

​Rates for a single taxpayer are 10% of taxable income up to $8,375 and 15% thereafter up to $34,000. Brian Jackson, a single taxpayer, earned $34,000. He took the standard deduction of $5,700 for a single taxpayer and one exemption of $3,650. Compute the amount of income tax.