If Isabella Rodriguez is single and in the 35 percent tax bracket, calculate the tax associated with each of the following transactions. (Hint: Use the IRS regulations for capital gains in effect in 2018.)

Treat each of the following cases as independent of the others. Tax savings should be preceded by a "-" sign. Round the answers to the nearest cent.

1. She sold stock for $3,930 that she purchased for $3,000 4 months earlier.

   $ _____

2. She sold bonds for $4,500 that she purchased for $3,500 3 years earlier.

   $ _____

3. She sold stock for $2,700 that she purchased for $3,000 23 months earlier. Assume this to be the only Stock in Isabella's portfolio.

   $ _____