answer 13-18 please!

13. The units-of-production method can be used when the decrease in value of the asset is mostly a function of use, instead of time, a, True b. False c. Not sure 14. The Modified Accelerated Cost Recovery System (MACRS) is the principle method for computing depreciation for property in engineering projects. a. True b. False c. Not sure 15. Under MACRS everything will have 0 salvage value. a. True b. False c. Not sure 16. MACRS, is applicable to most intangible assets that can be depreciated according to time, a. True b. False c. Not sure 17. MACRS may not be applicable to assets that are based on unit of production and intangible assets, a. True b. False c. Not sure 18. Given an asset, if the recovery period is 3, 5, 7 or 10 years, then to compute the depreciation rate, a. 200% DB switchover SL method is used b. 150% DB switchover SL method is used c. SL method is used