Which of the following was not a feature of the first ibm personal computer introduced in 1981?

all software was on floppy disks, which had to be loaded onto the machine.

moving files required you to load the files on a floppy and carry them to another computer.

the connection to the world wide web required a 48-pin connector.

the majority of monitors were green phosphorous.

Required: 1-a. the marketing manager argues that a $5,000 increase in the monthly advertising budget would increase monthly sales by $9,000. calculate the increase or decrease in net operating income. 1-b. should the advertising budget be increased ? yes no hintsreferencesebook & resources hint #1 check my work 8.value: 1.00 pointsrequired information 2-a. refer to the original data. management is considering using higher-quality components that would increase the variable expense by $2 per unit. the marketing manager believes that the higher-quality product would increase sales by 10% per month. calculate the change in total contribution margin. 2-b. should the higher-quality components be used? yes no