Given the scenario below, answer questions $48$ through $52.$

You are the project manager of a condominium construction project. The proposed building is $20$ storeys

tall and you plan to construct at a uniform rate of $1$ storey per month. The project is expected to cost

$$18,400,000.$ For the first $9$ months work went as planned, but then a key piece of machinery broke and

slowed your pace to $1$ storey every $1\mathrm{.}5$ months. At the end of month $12,$ the project has spent

$$10,120,000.$

What is the CPI of the project?

a$.0\mathrm{.}92$

b$.0\mathrm{.}85$

c$.1\mathrm{.}09$

d$.1$

What is the SPI of the project?

a$.1$

b$.0\mathrm{.}92$

c$.1\mathrm{.}09$

d$.0\mathrm{.}67$

What is the TSPI of the project?

a$.1\mathrm{.}2$

b$.1$

c$.0\mathrm{.}89$

d$.1\mathrm{.}125$