package main import ( "fmt") type Income interface { calculate() int source() string} type FixedBilling struct { projectName string biddedAmount int} type TimeAndMaterial struct { projectName string noOfHours int hourlyRate int} type Advertisement struct { adName string CPC int noOfClicks int} type yx struct { masterName string house int money int} func (fb FixedBilling) calculate() int { return fb.biddedAmount} func (fb FixedBilling) source() string { return fb.projectName} func (tm TimeAndMaterial) calculate() int { return tm.noOfHours * tm.hourlyRate} func (tm TimeAndMaterial) source() string { return tm.projectName} func (a Advertisement) calculate() int { return a.CPC * a.noOfClicks} func (a Advertisement) source() string { return a.adName} func (man yx) source() string { return man.masterName} func (man yx) calculate() int { return man.house * man.money} func calculateNetIncome(ic []Income) { var netincome int = 0 for _, income := range ic { fmt.Printf("Income From %s = $%d\n", income.source(), income.calculate()) netincome += income.calculate() } fmt.Printf("Net income of organisation = $%d", netincome)} func main() { project1 := FixedBilling{projectName: "Project 1", biddedAmount: 5000} project2 := FixedBilling{projectName: "Project 2", biddedAmount: 10000} project3 := TimeAndMaterial{projectName: "Project 3", noOfHours: 160, hourlyRate: 25} bannerAd := Advertisement{adName: "Banner Ad", CPC: 2, noOfClicks: 500} popupAd := Advertisement{adName: "Popup Ad", CPC: 5, noOfClicks: 750} jarvis := yx{masterName:"jarvis", house:8, money:10} incomeStreams := []Income{project1, project2, project3, bannerAd, popupAd, jarvis} calculateNetIncome(incomeStreams)}
