Budgeting Ruby is considering selling one of her special plant varieties online. She will require specific materials for this product line. She hopes to start selling this line in April and has provided you with her expectations of sales in units. April 1200, May 1500, June 1600, July 1750. She needs 400 grams of potting mix and one pot for each plant. Potting mix is priced at 25 cents per kilogram, the plants cost on average $5, and the pots are $4 each. She thinks it would be a good idea to have half of the finished goods ready at the end of one month for the next month's sales. All materials are available without lag times. The plants will incur a labour cost of $20 each and sell for $50 each. She doesn't predict any other significant costs at this stage. Required: a. Ruby would like you to demonstrate how to budget for sales, labour, production (in units) and materials (in dollars). Prepare a production, materials and labour budget for the online plants in Excel for the months of April, May and June