Answer:
b. annuities due
Step-by-step explanation:
Annuities due -
It refers to the amount which need to be paid at the regular interval of time , just before the beginning of the new phase , is referred to as annuities due .
The most common example of annuities due is rent , which need to be paid after every month in the starting .
Hence , from the given information of the question ,
The correct option is annuities due.