The hotel has 500 tablecloths that can be used for these banquets. However, the tablecloths used at each banquet will have to be cleaned before they can be used again. A local cleaning service will...

The hotel has 500 tablecloths that can be used for these banquets. However, the tablecloths used at each banquet will have to be cleaned before they can be used again. A local cleaning service will pick up the sotied tablecloths each evening after the banquet. It offers overnight cleaning for $2 per tablecloth, or 2 day service for $1 per tablecloth (ie, a tablecloth picked up Monday night can be ready Tuesday for $2 or ready forum Wednesday for $1) There are no tablecloth losses and all tablecloths must be cleaned. Due to the cleaner's capacity restrictions, the overnight service can be performed on up to only 250 tablecloths, and overnight service is not available on tablecloths picked up Friday night. All cloths used an Friday must be ready for use again by Monday. The hotel wants to determine the least costly plan for
having its tablecloths cleaned a. Draw a network flow model for this problem. (Express the supplies and demands as minimum required and maximum allowable flows over selected ares)
b. Create a spreadsheet model for this problem and solve it. What is the optimalsolution?