A man deposits $150 in a savings bank on his twenty-fifth birthday and a like amount every six months. If the bank pays 3% interest convertible semi-annually, how much does he have on deposit on his sixtieth birthday?

Solve with the interest converted quarterly.

A man leases a building for 4 years at a rental of $100 a month payable in advance. Find the equivalent cash payment, if money is worth 5%.

A man pays $500 cash and $500 annually thereafter until 10 payments have been made on a house. Assuming money worth 6% converted semi-annually, what is the equivalent cash price?

Find the present value of an annuity of $800 per annum paid in quarterly installments for 14 years, deferred 6 years, if money is worth 5% converted annually.

What sum of money should a man set aside at the birth of his son in order to provide $1000 a year for 4 years to take care of the son's education, if the first installment is to be paid in 18 years? Assume 4% interest.

A house is offered for sale for $6000 cash or $1000 at the end of each year for the next 8 years. If the installment plan is used, what rate of interest is charged? (solve by interpolation)