A machine with a twenty$-$year estimated useful life and an estimated $$8,000$ salvage value was acquired for $$40,000$ on January $1,2023.$ During $2028,$ it was discovered that the company's accountant had mistakenly ignored the estimated salvage value when computing depreciation for all prior years. If the company uses straight$-$line depreciation, how much depreciation expense should be reported on the income statement for $2028,$ the year the error was discovered?

a$.$ $$1,100$

b$.$ $$1,600$

c$.$ $$1,467$

d$.$ $$2,000$

On January $2,2026,$ Union Co$.$ purchased a machine for $$264,000$ and depreciated it by the straight$-$line method using an estimated useful life of $8$ years with no salvage value. On January $2,2029,$ Union revised its estimates to show that the machine had a total useful life of $6$ years from the date of acquisition and will have a salvage value of $$24,000.$ An accounting change was made in $2029$ to reflect the new estimates. The accumulated depreciation for this machine should have a balance at December $31,2029($after the $2029$ depreciation entry$)$ of:

a$.$ $$179,000$

b$.$ $$160,000$

c$.$ $$154,000$

d$.$ $$146,000$

Sufjan Company has a contract to sell $200$ hats to a customer for $$14,000($i$.$e$.,$ $$70$ each$).$ After $140$ hats have been delivered, Sufjan modifies the contact by promising to deliver $30$ shirts for $$60$ per shirt $($the standalone selling price at the time of the contract modification$).$ What is the total revenue $($for both shirts and hats$)$ that would be recorded after the modification date?

a$.$ $$6,300$

b$.$ $$1,800$

c$.$ $$6,000$

d$.$ $$15,800$

e$.$ $$5,400$