Would you please help me correct all the red cases? thank you!

Problem 18-5 Ivanhoe Ranch & Shamrock is a distributor of ranch and farm equipment. Its products range from small tools, power equipment for trench-digging and fencing, grain dryers, and barn winches. Most products are sold direct via its company catalog and Internet site. However, given some of its specialty products, select farm implement stores carry Ivanhoe's products. Pricing and cost information on three of Ivanhoe's most popular products are as follows. Standalone Selling Price (Cost) Item Mini-trencher Power fence hole auger Grain/hay dryer $3,600 ($2,000) (900) 13,800 (11,300) 1,300 Respond to the requirements related to the following independent revenue arrangements for Ivanhoe Ranch & Shamrock