4. a coffee maker vendor has set up two coffee machines, machine 1 and machine 2, inside an organization. the service cost incurred on machine 1 and machine 2 is $100 and $80, respectively. the production cost of coffee is $2 per mug for machine 1 and $3 per mug for machine 2. there is no service provided by the vendor on sundays. the weekly production capacity is 1000 mugs for machine 1 and 1200 mugs for machine 2, and thereafter the machine needs to be serviced before any extra mug of coffee is to be served. due to christmas, the employee attendance at the organization is going to be low and only one machine has to be used to serve at least 800 mugs of coffee in that week in order to minimize the total cost. formulate an integer programming model

Analyzing operational changes operating results for department b of delta company during 2016 are as follows: sales $540,000 cost of goods sold 378,000 gross profit 162,000 direct expenses 120,000 common expenses 66,000 total expenses 186,000 net loss $(24,000) suppose that department b could increase physical volume of product sold by 10% if it spent an additional $18,000 on advertising while leaving selling prices unchanged. what effect would this have on the department's net income or net loss? (ignore income tax in your calculations.) use a negative sign to indicate a net loss answer; otherwise do not use negative signs with your answers. sales $answer cost of goods sold answer gross profit answer direct expenses answer common expenses answer total expenses answer net income (loss) $answer