please hurry$-$ robert co purchases land and constructs a service station and car wash for a total of $$520,000.$ At Januar $2,2020,$ when construction is completed, the facility and land on which it was constructed are sold to a major oil company for $$610,000$ and immediately leased from the oul company by Robert. Fair value of the land at time of sale was $$60,000.$ The lease is a $10$ year, noncancelable lease. Robert used the straight line depreciation for its other various business holdings. THe economic life of the fain from sale$-$leaseback recognized by the seller lessee for $2020$ should be:

a$)9000$

b$)0$

c$)90,000$

d$)6,000$