Interest with Varying Time Units

$\displaystyle \pounds 4800$ is deposited in an account with an effective rate of interest of $\displaystyle 0.4\%$ per month.
Calculate the value of the account after $\displaystyle 9$ months.
Give your answer to the nearest penny.

A loan of $\displaystyle \pounds 15000$ is charged an effective rate of interest of $\displaystyle 1.6\%$ per quarter.
No repayments are made.
Calculate the amount owed after $\displaystyle 2$ years.
Give your answer to the nearest penny.

$\displaystyle \pounds 6250$ is invested in a bond with an effective rate of interest of $\displaystyle 1.85\%$ per half-year.
Calculate the value of the bond after $\displaystyle 3$ years.
Give your answer to the nearest penny.

$\displaystyle \pounds 2400$ is deposited in an account with an effective rate of interest of $\displaystyle 0.25\%$ per month.
Calculate the value of the account after $\displaystyle 18$ months.
Give your answer to the nearest penny.

Bailey takes out a loan for £4000 with an annual effective rate of interest of 29.9%.

(a) Calculate the monthly effective rate of interest.

Bailey makes level monthly repayments of £250 at the end of each month.

(b) Complete the following loan schedule for Bailey's loan to show the loan outstanding at the end of month 2.

Time (months)	Repayment (£)	Interest content of repayment (£)	Capital content of repayment (£)	Loan outstanding (£)
0				4000.00
1	250.00
2	250.00