Determine the amount of the standard deduction allowed for 2019 in the following independent situations. in each case, assume that the taxpayer is claimed as another person’s dependent. curtis, age 18, has income as follows: $700 interest from a certificate of deposit and $12,400 from repairing cars. mattie, age 18, has income as follows: $600 cash dividends from a stock investment and $4,700 from handling a paper route. jason, age 16, has income as follows: $675 interest on a bank savings account and $800 for painting a neighbor’s fence. ayla, age 15, has income as follows: $400 cash dividends from a stock investment and $500 from grooming pets. sarah, age 67 and a widow, has income as follows: $500 from a bank savings account and $3,200 from babysitting.

About time delivery co. incurred the following costs related to trucks and vans used in operating its delivery service: classify each of the costs as a capital expenditure or a revenue expenditure. 1. changed the oil and greased the joints of all the trucks and vans. 2. changed the radiator fluid on a truck that had been in service for the past four years. 3. installed a hydraulic lift to a van. 4. installed security systems on four of the newer trucks. 5. overhaul the engine on one of the trucks purchased three years ago. 6. rebuilt the transmission on one of the vans that had been driven 40,000 miles. the van was no longer under warranty. 7. removed a two-way radio from one of the trucks and installed a new radio with a greater range of communication. 8. repaired a flat tire on one of the vans. 9. replaced a truck's suspension system with a new suspension system that allows for the delivery of heavier loads. 10. tinted the back and side windows of one of the vans to discourage theft of contents.

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)

In each of the following cases, find the unknown variable. ignore taxes. (do not round intermediate calculations and round your answers to the nearest whole number, e. g., 32.) accounting unit price unit variable cost fixed costs depreciation break-even 20,500 $ 44 $ 24 $ 275,000 $ 133,500 44 4,400,000 940,000 8,000 75 320,000 80,000