Marwa & Co purchased a parcel of land six years ago for $621560 At that time the firm invested $141872 in grading the site so that it would be usable. Since the Sam wasn't ready to use the ste at that time, it decided to leave the land for $53.500 a year. The company is now considering building a warehouse on the site as the rental lease is expiring The curent value of the land is $779989 What value should be included in the initial cost of the warehouse project for the use of this land?