A candidate for the position of governor of a Midwestern state has an advertising budget of $1.5 million. The candidate's advisors have identified four advertising option; newspapers advertisement, radio commercials, television commercials and billboard advertisement. The costs for these media option average $1500, $2600,$10,000 and $7500 respectively. If x, equals the number of units purchased of media option j: a. Write an equation which requires total advertising expenditure of $1.5 million. (2) b. If it has been determined that 100 newspaper ads, 300 radio ads and 50 billboards ads will be used, how many television ads can they purchase. (2) c. If 50 billboards ads are to be purchased, what is the maximum number of newspaper ads that can be purchased? Maximum number of radio ads? TV ads? (3)