Which of the following statements regarding the manufacturing systems are correct?

(1). For a MRP system, customer demand forecast is essential for material control
(2). For a pull system, larger lot sizes and shorter lead times are required
(3). For a pull system, a JIT philosophy needs to be solidified within the organization
(4), For a Kanban system, each work station need to respond independently from other work stations

Brody and tanya recently sold some land they owned for $150,000. they received the land five years ago as a wedding gift from brody's aunt jeanette. she had already given them cash equal to the annual exclusion during that year. aunt jeanette purchased the land many years ago when the property was worth $20,000. at the time of the gift, the property was worth $100,000 and aunt jeanette paid $47,000 in gift tax. what is the long term capital gain on the sale of the property