How to distinguish fix and variables cost. Like the errors I made at the photo. And the categories of these errors

FtLCfSt or an Indirect COSI With respect to units OI "prodLic'E'T"Selec't"" Ye'S'rTb'f'f'h'mdI'TectdnSwQflTfi the'a'pproprl'at Cblumn"'Or'fi yourfi'SW'f'TWNOVIa'V the h ti Ex. Direct labor Executive salaries .- 4 --v....-........... "nm...- Factory rent .-.-. .. LAW --......c . yun-Mm. .......... 1. Property taxes, factory." ; AV . Fixed ' Am vu in (vu mw Fixed Fixed"? ariablei -m----'---------- "am..." .'1"n-nd-ry"nt-Allnfiduw'4.4.>--.-4--. ..................',t......i..'...n... ct. annum---" any. 2. Boxes used for packaging detergent produced by the comb 3. "Salespersons' comrnissions. ' "I'Variabiwf . rSupervisor's salary, factory.. ;; ' i I l . . . fl. 4 -s....a....r..>... ... . "mn-" .. t. ..'...hi,1......m.... .,-.....-c,.t...,. ... . . . mi"... in mm... it. ,,,,,,,, .. ..... Depreciation, executive autOs.' .............-. "he. . .. ....t...r.... .. .......u..m (Insurance, finished goods warehouses. '1 4 5 6. -Wages oi woriters computere'. .i--......t,...., A ...c.-..t-,.-...........4...,.. mm." ..,...m...:.1;..:..1.......umm...r... - "Lubricants for production equipment. '- , 9- Advertising costs. I A ' iA . ..................... ..,...'..v.n......-....4H....w....-m....--,...k -...4.t 10. AMicrochips ushed'in producing calculators. " i ii ' fl - -11. ' Shipping costs on merchandise sold. 12. "Magazine subscriptions. factory Iunchroomp i H 'I Yes di un 'Thread in a garment factory. Fixed Yes .I Vgflgglfi - - - i l V 14 Executive life insurance. is. ink-usvedin'textbook production. 16? AFringe inaten'ais handling workers. 4 17. - Yam used in 'svieater'oroduction. . u Yes, .A 18. - .Wages of reception-ist, executive office