Each year after a regular spring cleaning, Maria spruces up her home by retexturing and repainting the walls of one room in her house. In a given year, she spends:

- $22 on magazines to get ideas about wall textures and paint shades,
- $42 on newly produced texturing materials and tools,
- $31 on new paintbrushes and other painting equipment, and
- $177 on newly produced paint.

Normally, she preps the walls herself, a service that a professional wall-texturing specialist would charge $202 to do. She also applies two coats of paint herself, a service that a painter would charge $333 to do.

a) In a given year, Maria spends $25 + $45 + $35 + $175 = $280 on newly produced materials and tools required for her spring texturing and painting activity. Additionally, she spends $0 on services since she does all the work on her own. Therefore, her annual spring texturing and painting activity contributes $280 to GDP.

b) In this scenario, Maria hires someone else to do the texturing work for her, which is a service that contributes to GDP. The cost of the service is $200, which is what a professional wall-texturing specialist would charge. Additionally, Maria spends $35 + $175 = $210 on materials and tools, and she also does the painting herself. Since she is not paying anyone for the painting service, it does not contribute to GDP. Therefore, her spring painting activity adds $200 + $210 = $410 to GDP.

c) In this scenario, Maria hires someone else to do all the work using the materials she has already purchased. The cost of the service is $200 + $350 = $550, which includes the cost of both texturing and painting services. Since Maria is not doing any work herself, she does not contribute to GDP in this scenario. Therefore, her spring painting activity adds $550 to GDP.

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The complete question goes thus:

Each year after a regular spring cleaning, Maria spruces up her home a little by retexturing and repainting the walls of one room in her house. In a given year, she spends $25 on magazines to get ideas about wall textures and paint shades, $45 on newly produced texturing materials and tools, $35 on new paintbrushes and other painting equipment, and $175 on newly produced paint. Normally, she preps the walls, a service that a professional wall-texturing specialist would charge $200 to do, and applies two coats of paint, a service that a painter would charge $350 to do, on her own.

a. When she purchases her usual set of materials and does all the work on her home by herself in a given spring, how much does Maria’s annual spring texturing and painting activity con- tribute to GDP?

b. Suppose that Maria hurt her back this year and is recovering from surgery. Her surgeon has instructed her not to do any texturing work, but he has given her the go-ahead to paint a room as long as she is cautious. Thus, she buys all the equipment required to both texture and paint a room. She hires someone else to do the textur- ing work but does the painting herself. How much would her spring painting activity add to GDP?

c. As a follow-up to part (b), suppose that as soon as Maria bends down to dip her brush into the paint, she realizes that painting will be too hard on her back after all. She decides to hire someone else to do all the work using the materials she has already purchased. In this case, how much will her spring painting activity contribute to GDP?