can you please help me correct my wrong answers? I will upvote if you review my answers properly. Thank you!

Develop an assignment pian that will minimize processing costs. given the information shown, and interpret your answer. Note: Because the number of jobs exceeds the number of workers, a dummy worker (D) with costs of 0 must be added. (Leave no cells blank - be certain to enter "O" wherever required.) Click here for the Excel Dato File The frequency of breakdown of a machine that issues lottery tickets is given in the following table. Repairs cost an average of $225. A service firm is willing to provide preventive maintenance under either of two options: #1 is $495 and covers all necessary repairs, and #2 is $345 and covers any repairs after the first one. (Do not round intermediate calculations. Round your final answer to the nearest whole number.) Click here for the Excel Data File Which option would have the lowest expected cost: pay for all repairs, service option #1, or service option #2? Service option #2 Service option #1 Pay for all repairs