calculate the playback period for the two projects:

Project A:

Initial investment $=$ $$350,000$

Yearly cash flows:

Year $1$: $$45,000$Year $2$: $$65,000$Year $3$: $$65,000$Year $4$: $$440,000$

Project B:

Initial investment $=$ $$50,000$

Yearly cash flows:

Year $1$: $$24,000$Year $2$: $$22,000$Year $3$: $$19,500$Year $4$: $$14,600$