Fill in the blanks to make the statements true.

The discount on an item for sale is calculated on the _________.

Fill in the blanks to make the statements true.

The time period after which the interest is added each time to form a new principal is called the _________.

Fill in the blanks to make the statements true.

_________ expenses are the additional expenses incurred by a buyer for an item over and above its cost of purchase.

Fill in the blanks to make the statements true.

When principal P is compounded semi-annually at r% per annum for t years, then Amount = _________.

Fill in the blanks to make the statements true.

Percentages are _________ to fractions with _________ equal to 100.