is this correct?

1 pun Sandra Freestone has developed a new product that she has decided to produce and market. To proceed with this project, Sandra will quit her present job, which pays $3,000 a month. Sandra has found a small building to rent for $500 a month that will house the production facilities. One major piece of equipment that will be used to manufacture the product will be rented for $100 a month. Sandra purchased all of the other needed tools five years ago for $1,500. Material costs to make the product are estimated at $3 per unit. Monthly advertising costs for the product are estimated at $600. Required: Complete the chart below by placing an "X" under each heading that helps to identify the cost involved. There can be "X"s placed under more than one heading for a single cost; c.g., a cost might be a sunk cost, an overhead cost, and a product cost. There would be an "X" placed under each of these headings opposite the cost. Oppor- Sunk tunity | Cost Cost Var- table Cost Fixed Prime Conver- Cost Cost sion Cost Manu- facturing Cost Period Cost Differ- ential Cost Building rent Original cost of tools Equipment Tented Material cost Present salary Advertising