The company "TAXIS" offers the service under the following conditions: for a fee of CZK 360/month,
the call price for one minute is CZK 1.2/minute. The company "VEGA" offers unlimited calls to all
networks for a fee of CZK 600 per month.

Task:

a)      Determine in what time interval of calls are the individual offers beneficial?

b)      Schematically indicate the graphical form of the cost functions







































Table: Overview of monthly production and total costs in the company "ABC s.r.o."

               for year 2022. Determine the annual and monthly cost function.


period

                                                Amount of production

                                                                                                       Total costs

                                                       [ pcs ]

                                                                                                    [ thousand CZK ]

January

         6,224

                                                           6,967

February

         8,460

                                                           7,776

March

         10,408

                                                           8002

April

         12,623

                                                           8,687

May

         11,976

                                                           8,539

June

         4,872

                                                           7,261

July

         6,380

                                                           6,989

August

         8,708

                                                           7,512

September

         7,452

                                                           7 138

October

         8,629

                                                           7,598

November

         11,402

                                                           8,621

December

         11,237

                                                           9,378

TOTAL

         108,371

                                                           94,468
















































From the documents of the company "XYZ" the following information was obtained for the quarterly
period:

-          The total costs amount to CZK 10,855,500

-          The variable cost is 850 CZK/pc

-          The price of the product is 1600 CZK/pc

-          A total of 7,830 units were produced and sold


1.      Determine the amount of fixed costs.

2.      Find out the sales for this period.

3.      What is the economic result for the given period?

4.      Determine the cost function for the monthly period.