1$0$20$200$2$3$* *QUERY PROGRAM OF 3-23-78$4.[ [ [ [ [ [ [ . [  [  . . . [!1DO YOU NEED INSTRUCTIONS$4;1'NO764THE PURPOSE OF THIS PROGRAM IS TO PROVIDE A WAY TO$4EXAMINE AND CHANGE THE DATABASE.$4THE COMMANDS PROVIDED FOR THIS ARE:$44LIST - LISTS THE ITEMS REQUESTED. ALL ITEMS ARE$4 LISTED THAT ARE INCLUDED IN THE SET NAMED.$44SUM - SUMS THE FIELDS OF THE ITEMS REQUESTED.$44BYE - EXITS BACK TO CP/M OPERATING SYSTEM.$44CHANGE - CHANGES THE ITEMS REQUESTED FROM THE KEYBOARD.$446ADD - ADD NEW ITEMS TO A FILE.$4 EXAMPLE: ADD LAB SUPPLIES$44RUN - RUN A PREVIOUSLY SET UP SEQUENCE$4 EXAMPLE: RUN PACKAGE$4444COMMAND$4;1'.SLIS76DSUM7 6CHA76ADD7'6RUN756BYE7A6ހ  2;4! 7a6} [! 7r4 6S [@6Ӏ ހ  2;THE FIELDS ARE:$4 6. 7[!$46SUM ON WHAT FIELD$4;1' 6. 7[!76+6NO SUCH FIELD$46MULTIPLY BY WHAT FIELD (NAME OF FIELD OR NONE)$4;1'NONE7x.6 6. 7[!766NO SUCH FIELD$46+! 76[!X[!X 6 [@THE SUM IS $#46ހ  2;  7*6WHAT $$ DO YOU WANT$4;1' 6b. 7u[ !7r66S$ NOT FOUND.$4INDEX TABLE:$4 6. 7[ !$466*[ !!$44CHANGE WHICH FIELD $4;1'7YOU CAN'T CHANGE INDEX FIELD.$46Ҁ 62. 7E[!7B6f6#$ WAS NOT A VALID FIELD.$46NEW $[!$4;[!1'DO YOU WANT TO CHANGE MORE ITEMS$4;1'YES76* [@6COMMAND NOT ACTIVATED$46NAME OF FILE$4;1'-  [&)) ))!)")#)>  79 [@[-4 6R. 7 7 [&[!*[!)[!)[!)[!)[!)#)> 7 [[%[!*[!)[!)[!)[!)[!)#)> 6C$ 6. 7$$[!!6 [[%$,? 72 [&$*> 7G [[%$*> [^Ā%  6i. 7& '%6$T'.' 7$' U!76&& 6v[!$%&U%%& 6Z  (  6. 7 0[! 7(J[! 7 4[!7 [!$ $(([! 64 7 =6  6 T . 7  7 f.[&*> 7 { [[%*>.7 $4 6 E 7 THERE'S NO INDEX.$4).IND)- [&*> 6 . 7  [&[ !*[ !)> [^ 6 Ԁ [@ 6 E 7 THERE'S NO INDEX.$4).IND)- [&*> 6 . 7  [&[