Question
finish these methods in Scheme please a) ; Returns true if the profit of a given sale record is a positive number, false otherwise ;
finish these methods in Scheme please
a) ; Returns true if the profit of a given sale record is a positive number, false otherwise ; (isProfitPos '(3 ("10/13/2010" "10/20/2010") (261.54 0.04 -213.25 38.94) ("Regular Air" "Nunavut") "Eldon Base for stackable storage shelf, platinum")) -> #f
(define (isProfitPos sale) ; TODO: Fill this in 0 )
b) ; Returns a triple consisting of the orderNum, profit, and product information out of a given record for a sale. ; (getProv '(3 ("10/13/2010" "10/20/2010") (261.54 0.04 -213.25 38.94) ("Regular Air" "Nunavut") "Eldon Base for stackable storage shelf, platinum")) -> (3 -213.25 "Eldon Base for stackable storage shelf, platinum")
(define (getSummary sale) ; TODO: Fill this in 0 )
c) ; Returns a triple consisting of the orderNum, orderDate, and shipDate information out of a given record for a sale. ; (getProv '(3 ("10/13/2010" "10/20/2010") (261.54 0.04 -213.25 38.94) ("Regular Air" "Nunavut") "Eldon Base for stackable storage shelf, platinum")) -> (3 "10/13/2010" "10/20/2010")
(define (getDatesSummary sale) ; TODO: Fill this in 0 )
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Information Modeling And Relational Databases
Authors: Terry Halpin, Tony Morgan
2nd Edition
0123735688, 978-0123735683
