What type of structure is the following set of statements an example of?
while not end of file
   read a line
end while

[Price] * [Quantity] is an example of a ________

A) calculated field B) comparison operator C) summary statistic D) logical operator

Table A has 10 rows and table B has 10 rows. The product of Table A and Table B would have 100 rows.

Answer the following statement true (T) or false (F)